Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, anh thanh
cong thanh » dong thanh, cong trinh, cong tan
cong cong » cong dong, trong cong, dung cong
tran chau » tranh chap, tran huu
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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 thanh thanh cong cong thanh ((tran chau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh thanh thanh cong cong thanh ((tran chau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh thanh thanh cong cong thanh ((tran chau) or (toan tap))*.