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 » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 cau))~.
• 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 cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - thanh ((trung va) OR (trang va)) nhung cong tac ((than cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - thanh ((trung va) OR (trang va)) nhung cong tac ((than cau) or (toan cau))*.