Perhaps you should try some spelling variations:
cong doan » cong dan, cong hoan, dong doanh
lang cong » dang cong, bang cong, hang cong
doan phan » doanh phan, toan phan, dan phan
theo chu » theo chieu, cho chu, chao chu
ban hang » ngan hang
phan dau » phan tu, hang dau
va lang » va nang, hoa lang

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) or (theo chu)) sach - ban hang va lang cong doan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (theo chu)) sach - ban hang va lang cong doan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (theo chu)) sach - ban hang va lang cong doan phan dau*.