Perhaps you should try some spelling variations:
nghiem thu » nghiem thuc, nghiem thi, nghiem thuoc
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
chung hoc » dung hoc, hung hoa, phung ho
trung hoc » trung quoc
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghiem thu cong hoc nganh ((chung hoc) or (trung hoc)) xa hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghiem thu cong hoc nganh ((chung hoc) OR (trung hoc)) xa hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghiem thu cong hoc nganh ((chung hoc) or (trung hoc)) xa hoi van nhan dan*.