Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, nhung don, nhung lang
tranh qua » tranh cua, thanh qua, trinh qua
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 sach - canh tranh qua ((((nhung cong) OR (hang cong))) or (dung cong)) tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh qua ((((nhung cong) OR (hang cong))) OR (dung cong)) tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh qua ((((nhung cong) OR (hang cong))) or (dung cong)) tan than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh qua ((((nhung cong) OR (hang cong))) or (dung cong)) tan than cau*.