Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tuong va » truong va, thuong va, duong va
luong va » dung va
ban than » ban thanh, van thanh, ban hang
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 hien xanh - manh ((tuong va) OR (luong va)) ((hang cong) or (dang cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - manh ((tuong va) OR (luong va)) ((hang cong) OR (dang cong)) ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - manh ((tuong va) OR (luong va)) ((hang cong) or (dang cong)) ban than cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - manh ((tuong va) OR (luong va)) ((hang cong) or (dang cong)) ban than cap*.