Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
ban thanh » ban hanh, ban hang
ho chieu » theo chieu, hoc thieu, mot chieu
cua dung » cua dang, cua dong, qua dung
sat nhan » hat nhan, sat phan, ca nhan

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

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