Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
chi sach » chinh sach, chieu sach, co sach
tuong va » truong va, thuong va, luong va
toan cao » toan ban
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tuong va ((nhung cong) or (hang cong)) san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tuong va ((nhung cong) OR (hang cong)) san ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tuong va ((nhung cong) or (hang cong)) san ((toan cao) or (toan tap))*.