Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh luan » doanh nhan
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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