Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
chu xanh » chu manh, chieu xanh, chua xang
anh dang » anh dung, anh bang, anh danh
anh dong » anh huong, anh son
cong van » cong vang, cong san, song van
ban tap » bai tap, han tap, ban tai
chuc » thuc, chua, phuc

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