Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
anh hung » anh huong, manh hung, anh dung
hung cua » huong cua, chung cua, khung cua
van toan » van tuan, van tan, van thanh
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sach)) - anh hung cua nhung cong ((van toan) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - anh hung cua nhung cong ((van toan) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - anh hung cua nhung cong ((van toan) or (ban than)) cau*.