Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
anh dung » anh huong, sach dung, ung dung
anh dong » anh huong, anh son
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

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