Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
chu xanh » chu manh, chieu xanh, chuc danh
anh tang » anh bang, anh dang, anh nang
cong van » cong vang, cong san, song van
ban ban » ban banh, can ban, ban dan

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 tang) OR (anh tang)) cua nhung cong van ban ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chua xang)) - ((hanh tang) OR (anh tang)) cua nhung cong van ban ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu xanh) or (chua xang)) - ((hanh tang) OR (anh tang)) cua nhung cong van ban ban".
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) or (chua xang)) - ((hanh tang) OR (anh tang)) cua nhung cong van ban ban*.