Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh dung » anh dong, anh huong, sach dung
cong san » cong tac
than cau » than cap, thanh chau, thanh mau
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan ban, toan tap

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 - anh dung luan dung cong san ((((than cau) or (phan cau))) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - anh dung luan dung cong san ((((than cau) OR (phan cau))) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - anh dung luan dung cong san ((((than cau) or (phan cau))) or (toan cau))*.