Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
phap chong » phap phong, phap cong, pham hong
doi chieu » doc hieu, doi chi, ho chieu
tung phap » tung pham, tieng phap, trung phan
cong van » cong vang, song van, cong tan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - thanh tung phap chong ((cong van) or (cong san)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh tung phap chong ((cong van) OR (cong san)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh tung phap chong ((cong van) or (cong san)) phan tu*.