Perhaps you should try some spelling variations:
phuong trinh » chuong trinh, cong trinh, phuong anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
huong tran » huong dan, quang tran, chuong trinh
doi chieu » doc hieu, ho chieu, mot chieu
luan nhu » luan nha, luan ngu, luan thu
toan cao » toan ban, toan tap
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 chieu) or (doi chi)) sang - hanh doanh luan nhu ((phuong trinh) or (huong tran)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sang - hanh doanh luan nhu ((phuong trinh) OR (huong tran)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) sang - hanh doanh luan nhu ((phuong trinh) or (huong tran)) toan cao*.