Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
luan luong » luan phuong, tuan duong, van luong
luong cong » dung cong, trong cong, cong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh dung » thanh dung, anh dung, hanh dong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » 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: theo ((hieu manh) or (((chieu sach) OR (chiet tach)))) - hanh dung luan luong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (((chieu sach) OR (chiet tach)))) - hanh dung luan luong cong san toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (((chieu sach) OR (chiet tach)))) - hanh dung luan luong cong san toan cau*".