Perhaps you should try some spelling variations:
trinh nghien » trinh nghe, kinh nghiem, trinh thiet
nghien dung » nghiep dung, nghiem hung, nghe dung
nghiep bai » nghiep tai, nghiep bao, nghiep bac
cac doanh » cac dan, cac dang, van doanh
dung hoc » dong hoc, dung thuoc, trung hoc
bai hoc » dai hoc
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 bai hoc ) or ( tu lap trinh nghien dung hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac doanh nghiep bai hoc ) OR ( tu lap trinh nghien dung hoc )).
• Adding a wildcard symbol may retrieve word variants: (( tu cac doanh nghiep bai hoc ) or ( tu lap trinh nghien dung hoc ))*.