Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » hanh trinh, hanh trang, lanh tranh
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
ban thanh » ban hang
ban hanh » ban hang
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - ((hanh tranh) or (canh tranh)) ap dung cong ((ban thanh) OR (ban hanh)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - ((hanh tranh) OR (canh tranh)) ap dung cong ((ban thanh) OR (ban hanh)) lap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sach - ((hanh tranh) or (canh tranh)) ap dung cong ((ban thanh) OR (ban hanh)) lap*".