Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
ho chieu » hoc thieu, doi chieu, mot chieu
tran van » luan van
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, 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: ((ho chieu) or (theo chieu)) sach - thanh tran van nhung cong ((san toan) OR (dan toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh tran van nhung cong ((san toan) OR (dan toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - thanh tran van nhung cong ((san toan) OR (dan toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - thanh tran van nhung cong ((san toan) OR (dan toan)) cao*.