Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
phan thuong » hang thuong, phan xuong
tranh phan » thanh phan, trinh phan, thanh pham
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
phan tap » han tap, pha tap, phan tu
phan lap » phan dau

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 phan thuong cong san ((phan tap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - canh tranh phan thuong cong san ((phan tap) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - canh tranh phan thuong cong san ((phan tap) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - canh tranh phan thuong cong san ((phan tap) or (phan lap))*.