Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
thanh van » thanh san, thanh toan, thanh nhan
doc hieu » toc thieu, hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doc hieu)) sach - canh tranh cua dung cong ban ((thanh van) OR (thanh phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - canh tranh cua dung cong ban ((thanh van) OR (thanh phan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doc hieu)) sach - canh tranh cua dung cong ban ((thanh van) OR (thanh phan))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) sach - canh tranh cua dung cong ban ((thanh van) OR (thanh phan))*.