Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
chi sach » chinh sach, chieu sach, co sach
than cao » toan cao, thai cao, than cap
khan cap » khan ap, than cap, khoan cam
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 truong cao ((nhung cong) or (hang cong)) dan ((than cao) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh truong cao ((nhung cong) OR (hang cong)) dan ((than cao) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh truong cao ((nhung cong) or (hang cong)) dan ((than cao) or (khan cap))*.