Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
chat cau » chat cam, chat cao, chat va
chat cho » chat co, chat thom, cap cho

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 hien)) sach - canh tranh cua dung cong san ((chat cau) or (chat cho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) sach - canh tranh cua dung cong san ((chat cau) OR (chat cho)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) sach - canh tranh cua dung cong san ((chat cau) or (chat cho))*.