Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong cao » truong cao, thong cao, thuong chau
nhung van » phung van, nhung bai, nhung cau
hang cong » dang cong, hang nong, bang cong
chi sach » chinh sach, chieu sach, co sach
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao
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 thuong cao ((nhung van) or (hang cong)) dan ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh thuong cao ((nhung van) OR (hang cong)) dan ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh thuong cao ((nhung van) or (hang cong)) dan ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh thuong cao ((nhung van) or (hang cong)) dan ((than cao) OR (thai cao))*.