Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
loai hoc » logic hoc, loai khoa, dai hoc
van hanh » van thanh, ban hanh, van anh
hien cac » thien cac, vien cac, hieu cac
mai khoa » tai khoa, may khoa, dai khoa
cach tu » cach thuc
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
tu nang » tru nang, tu nong, tu nano
tu cach » tu cac
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 tu nang ((mai khoa) or (loai hoc)). hieu hien cac xuc van hanh ((vi cua) or (di cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach tu nang ((mai khoa) OR (loai hoc)). hieu hien cac xuc van hanh ((vi cua) OR (di cua)) viet.
• Adding a wildcard symbol may retrieve word variants: tu cach tu nang ((mai khoa) or (loai hoc)). hieu hien cac xuc van hanh ((vi cua) or (di cua)) viet*.