Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
cong tac » cong ty
than cau » toan cau, phan cau, than cap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - thanh ((trung va) or (trang va)) nhung cong tac ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - thanh ((trung va) OR (trang va)) nhung cong tac ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh ((trung va) or (trang va)) nhung cong tac ((than cau) or (toan tap))*.