Perhaps you should try some spelling variations:
trinh nghien » trinh nghe, kinh nghiem, trinh thiet
nghiep thai » nghiep tai, nghiep thanh, nghiep chan
nghien dong » nghiem dong, nghiep dong, nghiem song
cac doanh » cac dan, cac dang, van doanh
thai hoc » dai hoc, bai hoc, hoi hoc
dong hoc » dong co, dong luc
tu lap » truc lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cac doanh nghiep thai hoc ) or ( tu lap trinh nghien dong hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac doanh nghiep thai hoc ) OR ( tu lap trinh nghien dong hoc )).
• Adding a wildcard symbol may retrieve word variants: (( tu cac doanh nghiep thai hoc ) or ( tu lap trinh nghien dong hoc ))*.