Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
hoa dong » hoat dong, ha dong, hoa cong
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - anh tang ((cua dang) or (hoa dong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - anh tang ((cua dang) OR (hoa dong)) cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - anh tang ((cua dang) or (hoa dong)) cong san van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - anh tang ((cua dang) or (hoa dong)) cong san van ban*.