Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dien » theo tieu, thu dien, thuy dien
dien sach » dien anh
ganh nang » nganh nong, van nang, sach nang
cua nhung » va nhung
anh nang » anh bang, anh dang, anh sang
dan toan » van toan, dan than, manh toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dien sach - ((anh nang) or (ganh nang)) cua nhung cong ((dan toan) or (dan chan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dien sach - ((anh nang) OR (ganh nang)) cua nhung cong ((dan toan) OR (dan chan)) ban.
• Adding a wildcard symbol may retrieve word variants: theo dien sach - ((anh nang) or (ganh nang)) cua nhung cong ((dan toan) or (dan chan)) ban*.