Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien hanh » dieu hanh
hanh sinh » hanh tinh, hanh dinh, hanh chinh
hinh sinh » tinh sinh, hinh dinh, hinh kinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
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: hoc ((chieu xanh) or (hien hanh)) - ((hanh sinh) or (hinh sinh)) cua dung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hien hanh)) - ((hanh sinh) OR (hinh sinh)) cua dung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hien hanh)) - ((hanh sinh) or (hinh sinh)) cua dung cong san toan cau*.