Perhaps you should try some spelling variations:
trinh thanh » tinh thanh, trinh han, trinh toan
thanh nhung » thanh hung, hanh nhung, tranh nhung
chieu tach » chiet tach, chieu sach, chiu trach
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - canh trinh thanh nhung cong dan ((than cao) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - canh trinh thanh nhung cong dan ((than cao) or (toan cao))*.