Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh luan » doanh nhan
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
dan cong » dang cong, van cong, dan dong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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 - canh ((tranh cua) or (doanh luan)) dan cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh ((tranh cua) OR (doanh luan)) dan cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh ((tranh cua) or (doanh luan)) dan cong tac than cau*.