Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
tong cong » trong cong, cong cong, dung cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
tra tuan » tran tuan, tra quan, ta tuan
tri tuan » tri quan, tran tuan, tri tue
cong tan » cong tac, cong san, cong thanh

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 ((tra tuan) OR (tri tuan)) tong cong tan thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - thanh ((tra tuan) OR (tri tuan)) tong cong tan thanh cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh ((tra tuan) OR (tri tuan)) tong cong tan thanh cau*.