Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, tang luan
doanh luan » doanh nhan
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
hung cong » nhung cong, hung cuong, phung cong
van thanh » ban thanh, van tuan
van toan » van tuan, van tan, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo phap tinh - hanh ((tranh luan) OR (doanh luan)) hung cong ((van toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - hanh ((tranh luan) OR (doanh luan)) hung cong ((van toan) OR (van thanh)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo phap tinh - hanh ((tranh luan) OR (doanh luan)) hung cong ((van toan) or (van thanh)) cau*".