Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
doi chieu » doc hieu, doi chi, mot chieu
tranh hua » tranh chua, tranh cua, tranh ha
hua khong » hoa khong, cua khong, hoac khong
ho chieu » theo chieu, hoc thieu, mot chieu
cong tap » cuong tap, cong tac, cong tan
quan cau » quang cao, quan ha, quan cua
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: ((ho chieu) or (doi chieu)) sach - canh tranh hua khong cong tap ((quan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - canh tranh hua khong cong tap ((quan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - canh tranh hua khong cong tap ((quan cau) or (toan cau))*.