Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
manh trung » manh tung, thanh trung, manh hung
tham nhung » thi nhung
cam nhung » cam hung, nam nhung, cam nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (chiet tach)) - manh trung ((cam nhung) or (tham nhung)) cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - manh trung ((cam nhung) OR (tham nhung)) cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - manh trung ((cam nhung) or (tham nhung)) cong tac toan ban*.