Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
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 cua 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 cua khong cong tap ((quan cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - canh tranh cua khong cong tap ((quan cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - canh tranh cua khong cong tap ((quan cau) OR (toan cau))*.