Perhaps you should try some spelling variations:
luan tuong » luan luong, xuan truong, luan phuong
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
huong van » huong dan, duong van, hong van
ho chieu » theo chieu, doi chieu, mot chieu
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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) or (hoc thieu)) tinh - hanh dung ((luan tuong) OR (luat thuong)) huong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh dung ((luan tuong) OR (luat thuong)) huong van toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) tinh - hanh dung ((luan tuong) OR (luat thuong)) huong van toan tap*".