Perhaps you should try some spelling variations:
"the international scientific questions" » "the international scientific foundations", "the international scientific recreations", "the international scientific expeditions"
"the international scientific services" » "the international scientific studies", "the international scientific overview", "the international specific services"
"the international scientific queries" » "the international scientific inquiries", "the international scientific theories", "the international scientific fisheries"
"the international scientific advice" » "the international scientific advances", "the international scientific practice", "the international scientific articles"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the international scientific services") OR ("the international scientific advice"))) OR ((("the international scientific queries") OR ("the international scientific questions")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the international scientific services\") OR (\"the international scientific advice\"))) or (((\"the international scientific queries\") or (\"the international scientific questions\"))))".
• Removing quotes may allow a broader search: (((( the international scientific services ) OR ( the international scientific advice ))) or ((( the international scientific queries ) or ( the international scientific questions )))).
• Adding a wildcard symbol may retrieve word variants: (((("the international scientific services") OR ("the international scientific advice"))) or ((("the international scientific queries") or ("the international scientific questions"))))*.