Perhaps you should try some spelling variations:
nganh nghiep » doanh nghiep, nganh nghe, nang nghiep
nghiem tien » nghiem tieng, nghiem tin, nghiem tren
nghiep bai » nghiep tai, nghiep bao, nghiep bac
cac nganh » hoc nganh
sach thi » sach thu, sach thieu, sach tham
sach tai » sach bai, sach tham, sach dao
tien hoc » tin hoc, tien hoa, dien hoc
bai hoc » dai hoc

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: (( tu ((sach thi) OR (sach tai)) nghiem tien hoc ) OR ( tu cac nganh nghiep bai hoc ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu ((sach thi) OR (sach tai)) nghiem tien hoc ) or ( tu cac nganh nghiep bai hoc ))~".
• Adding a wildcard symbol may retrieve word variants: (( tu ((sach thi) OR (sach tai)) nghiem tien hoc ) or ( tu cac nganh nghiep bai hoc ))*.