Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
tran van » luan van
van dung » van dong, xay dung, tin dung
van chat » cao chat
van phan » van phong, van thanh, luan phan

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 - canh tran van dung cong ((van chat) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - canh tran van dung cong ((van chat) OR (van phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - canh tran van dung cong ((van chat) or (van phan)) cau*.