Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
trinh van » trinh han, trinh quan, trinh toan
van thong » van thuong, van phong, va thong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu tinh) or (trieu tinh)) - canh trinh van thong cong dan ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (trieu tinh)) - canh trinh van thong cong dan ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (trieu tinh)) - canh trinh van thong cong dan ((than cau) or (phan tu))*.