Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
chong cong » cong cong, thong cong, cuong cong
hua chong » hua khong, ngua chong, qua chuong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
phan cau » phan dau, phan cac, phan lap

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 - ((thanh trung) or (thanh tung)) hua chong cong tac ((phan cau) OR (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((thanh trung) OR (thanh tung)) hua chong cong tac ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - ((thanh trung) or (thanh tung)) hua chong cong tac ((phan cau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((thanh trung) or (thanh tung)) hua chong cong tac ((phan cau) OR (phan tu))*.