Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trung » thanh trung, hanh trang, manh trung
tieu sang » chieu sang, tieu dung, tiem nang
manh hung » anh huong
cua nhung » va nhung
cong tac » cong ty
toan tap » toan ban
toan cao » 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: theo tieu sang - ((hanh trung) or (manh hung)) cua nhung cong tac ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((hanh trung) OR (manh hung)) cua nhung cong tac ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - ((hanh trung) or (manh hung)) cua nhung cong tac ((toan tap) or (toan cao))*.