Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
toan tap » 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 dieu hanh - anh tang luan nhung cong tac ((van ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - anh tang luan nhung cong tac ((van ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - anh tang luan nhung cong tac ((van ban) or (toan tap))*.