Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trang van » tran van, trang va, tang van
trong van » trong cac
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (theo tieu)) xanh - hanh ((trang van) OR (trong van)) nhung cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo tieu)) xanh - hanh ((trang van) OR (trong van)) nhung cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo tieu)) xanh - hanh ((trang van) OR (trong van)) nhung cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo tieu)) xanh - hanh ((trang van) OR (trong van)) nhung cong tan than cap*.