Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hoc thieu » toc thieu, hoc hien
tranh hua » tranh chua, tranh cua, tranh ha
hua khong » hoa khong, cua khong, hoac khong
cong tang » cong thang, cong tan, cong lang
thanh cac » hanh cac, thanh ca, tranh cac
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » theo chieu, doi chieu, mot chieu

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 (hoc thieu)) sach - canh tranh hua khong cong tang ((thanh cac) OR (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - canh tranh hua khong cong tang ((thanh cac) OR (thanh bac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - canh tranh hua khong cong tang ((thanh cac) OR (thanh bac))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - canh tranh hua khong cong tang ((thanh cac) OR (thanh bac))*.