Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trang van » tran van, trong van, tang van
tieng tap » tieng phap, tieng thai, tieng han
chu tinh » chau tinh, chua tinh, cuu tinh
trang va » tran van, hang va
cong tac » cong ty
tren tap » tren tau, tuyen tap, toan tap
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - hanh ((trang van) or (trang va)) nhung cong tac ((tren tap) or (tieng tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - hanh ((trang van) OR (trang va)) nhung cong tac ((tren tap) OR (tieng tap)).
• Adding a wildcard symbol may retrieve word variants: hoi chu tinh - hanh ((trang van) or (trang va)) nhung cong tac ((tren tap) or (tieng tap))*.