Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
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 - ((canh tranh) or (thanh tung)) cua dung cong tan ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((canh tranh) OR (thanh tung)) cua dung cong tan ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((canh tranh) or (thanh tung)) cua dung cong tan ((phan cau) or (phan tu))*.