Perhaps you should try some spelling variations:
nghiem thuoc » nghiem duoc, nghiem hoa, nghi thuc
thuoc trong » thuc trong, hoc trong, thuat trong
chung hoc » dung hoc, hung hoa, phung ho
van thanh » ban thanh, van tuan
trung hoc » trung quoc
thanh van » thanh san, thanh toan, thanh phan
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
trong hoc » truong hoc, tuong hoc, thong hoc
thoi tap » toi tap, hoc tap, thoi dai
hoi van » hoi va, hoi dan, hai van
tu cach » tu cac

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 thuoc trong hoc nganh ((chung hoc) or (trung hoc)) xa hoi van thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghiem thuoc trong hoc nganh ((chung hoc) OR (trung hoc)) xa hoi van thanh van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghiem thuoc trong hoc nganh ((chung hoc) or (trung hoc)) xa hoi van thanh van*.