Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
tang luan » dung luan
tuong cua » truong cua, huong cua, thong cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ha tinh » va tinh, may tinh

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 (ha tinh)) - thanh ((tang luan) or (tuong cua)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (ha tinh)) - thanh ((tang luan) OR (tuong cua)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (ha tinh)) - thanh ((tang luan) or (tuong cua)) nhung cong tan toan cau*.