Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
trang van » tran van, trang va, tang van
trong van » trong cac
hang cong » dang cong, hang nong, bang cong
chu xanh » chu manh, chieu xanh, chuc danh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: cho ((chu xanh) OR (chua xang)) - hanh ((trang van) or (trong van)) hang cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chua xang)) - hanh ((trang van) OR (trong van)) hang cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu xanh) OR (chua xang)) - hanh ((trang van) or (trong van)) hang cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) OR (chua xang)) - hanh ((trang van) or (trong van)) hang cong dan toan tap*.