Perhaps you should try some spelling variations:
"EDI techniques materials" » "EDI technology materials"
"edi technical materials" » "edi mechanical material", "edi technological materials", "edi electrical materials", "vdi technical materials", "media technical materials", "defi technical materials"
edi techniques » adi techniques, esi techniques, media techniques
"EDI techniques amateurs" » "EDI techniques amateur"

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: (("edi technical materials") OR ((("EDI techniques materials") OR ("EDI techniques amateurs")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"edi technical materials\") or (((\"EDI techniques materials\") OR (\"EDI techniques amateurs\"))))".
• Removing quotes may allow a broader search: (( edi technical materials ) or ((( EDI techniques materials ) OR ( EDI techniques amateurs )))).
• Adding a wildcard symbol may retrieve word variants: (("edi technical materials") or ((("EDI techniques materials") OR ("EDI techniques amateurs"))))*.