Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, nhung don
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
ho chiet » ho chieu, ho thiet, hoc thiet
phan dau » phan tu
hang dau » hang va, hang tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh tranh cua ((nhung cong) OR (hang cong)) dan ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh cua ((nhung cong) OR (hang cong)) dan ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh cua ((nhung cong) OR (hang cong)) dan ((phan dau) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua ((nhung cong) OR (hang cong)) dan ((phan dau) or (hang dau))*.