Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doi chi, ho chieu, mot chieu
tranh xay » trinh xay, trong xay, manh xay
dung cong » dung trong
tran manh » tran minh, tran thanh, tran van
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan tran » dang tran, tan tran, dan than

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 - hanh tranh xay dung cong dan tran manh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - hanh tranh xay dung cong dan tran manh*.