Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh dung » thanh dung, hanh dong, manh dung
tong cong » trong cong, cong cong, dung cong
anh dung » anh dong, anh huong, sach dung
cua tong » cua cong, cua dong, cua nong
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (chieu sach)) - ((hanh dung) OR (anh dung)) cua tong cong san toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu nganh) or (chieu sach)) - ((hanh dung) OR (anh dung)) cua tong cong san toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (chieu sach)) - ((hanh dung) OR (anh dung)) cua tong cong san toan cau*.