Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, hoc hien, hoc dieu
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
cong tinh » cong trinh, cong vinh, cong thanh
long tinh » trong tinh, luong tin, dong tin
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) sach - hanh tran van nhung ((cong tinh) or (long tinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh tran van nhung ((cong tinh) OR (long tinh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) sach - hanh tran van nhung ((cong tinh) or (long tinh)) toan ban*.