Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, thi chieu
tranh qua » tranh cua, thanh qua, trinh qua
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
theo chu » cho chu, chao chu, theo yeu
qua dung » quang dung, su dung, qua song
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) sach - canh tranh qua dung ((cong manh) OR (cong danh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - canh tranh qua dung ((cong manh) OR (cong danh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo chu)) sach - canh tranh qua dung ((cong manh) OR (cong danh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - canh tranh qua dung ((cong manh) OR (cong danh)) toan cau*.