Perhaps you should try some spelling variations:
"advances in chemistry specimen" » "advances in chemistry sediment", "advances in chemistry special", "advances in chemistry specific"
"advances in chemistry sources" » "advances in chemistry courses", "advances in chemistry surfaces", "advances in chemistry studies"
"advances in chemistry species" » "advances in chemistry special", "advances in chemistry series", "advances in chemistry spaces"

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: (("advances in chemistry sources") OR ((("advances in chemistry species") OR ("advances in chemistry specimen")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advances in chemistry sources\") or (((\"advances in chemistry species\") OR (\"advances in chemistry specimen\"))))".
• Removing quotes may allow a broader search: (( advances in chemistry sources ) or ((( advances in chemistry species ) OR ( advances in chemistry specimen )))).
• Adding a wildcard symbol may retrieve word variants: (("advances in chemistry sources") or ((("advances in chemistry species") OR ("advances in chemistry specimen"))))*.