Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
van phung » van phong, van hung, van chuong
ho chieu » theo chieu, doi chieu, mot chieu
tran van » luan van
cong dan » cong san, cong tan, cong dong
phan dau » phan tu, hang dau

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)) sach - canh tran van phung ((cong dan) OR (huong dan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - canh tran van phung ((cong dan) OR (huong dan)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - canh tran van phung ((cong dan) OR (huong dan)) phan dau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - canh tran van phung ((cong dan) OR (huong dan)) phan dau*.