Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, ho chieu
mot chieu » ho chieu
manh tung » manh hung, thanh tung
dung cong » dung trong
tung nam » trung nam, sung nam, dung nam
nam dung » nam vung, nam dong, am dung
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (mot chieu)) sach - manh tung nam dung cong dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (mot chieu)) sach - manh tung nam dung cong dan ((toan cau) OR (toan tap))*.