Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
manh trung » manh tung, thanh trung, manh hung
trung voi » trung moi, trung vi, trung vo
voi nhung » gioi nhung, va nhung, thi nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
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: ((ho chieu) or (theo tieu)) sach - manh trung voi nhung cong san ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) sach - manh trung voi nhung cong san ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) sach - manh trung voi nhung cong san ((toan cau) or (toan cao))*.