Perhaps you should try some spelling variations:
hoi chieu » doi chieu, hai chieu, hoi chiu
manh tung » manh hung, thanh tung
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, cong dong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoi chieu) or (ho chieu)) sach - manh tung cua nhung ((cong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi chieu) OR (ho chieu)) sach - manh tung cua nhung ((cong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoi chieu) or (ho chieu)) sach - manh tung cua nhung ((cong dan) or (huong dan)) toan cao*.