Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
thi thap » thi thao, thi phap, thu thap
thap cau » phap cau, toan cau, tap cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - canh tranh ((cua khong) or (hua khong)) hoang thi thap cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh ((cua khong) OR (hua khong)) hoang thi thap cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh ((cua khong) or (hua khong)) hoang thi thap cau*.