Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
nhung phuong » dung phuong, nhu phuong, bang phuong
theo chieu » theo tieu, theo chu, thi chieu
hanh dong » anh dong, ha dong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » hoc thieu, doi chieu, mot chieu
toan tap » toan ban
dong va » dung va, dong ha, luong va

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 (theo chieu)) sach - hanh dong va ((nhung phuong) OR (truong phuong)) manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - hanh dong va ((nhung phuong) OR (truong phuong)) manh toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - hanh dong va ((nhung phuong) OR (truong phuong)) manh toan tap*".