Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
tung va » trung va, tuong va, dung va

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 tinh) OR (lieu tinh)) - thanh tung va nhung cong dan ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (lieu tinh)) - thanh tung va nhung cong dan ((toan cao) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (lieu tinh)) - thanh tung va nhung cong dan ((toan cao) or (toan ban))*.