Perhaps you should try some spelling variations:
cua nhung » va nhung
theo dieu » theo tieu, theo chieu, thuoc dieu
cong nhan » cong nhat, cong thanh, dung nhan
anh dang » anh dong, anh dung, anh bang
cong san » cong tac
toan cao » toan ban, toan tap
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - ((ha dong) or (anh dang)) cua nhung ((cong san) or (cong nhan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - ((ha dong) OR (anh dang)) cua nhung ((cong san) OR (cong nhan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - ((ha dong) or (anh dang)) cua nhung ((cong san) or (cong nhan)) toan cao*.