Perhaps you should try some spelling variations:
doanh luan » doanh nhan
trinh han » trinh quan
tong cong » cong cong, dung cong, dang cong
chi tinh » chai tinh, chi minh, chi binh
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
doi chi » doi khi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tinh - canh ((doanh luan) or (trinh han)) ((tong cong) or (trong cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - canh ((doanh luan) OR (trinh han)) ((tong cong) OR (trong cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - canh ((doanh luan) or (trinh han)) ((tong cong) or (trong cong)) dan than cau*.