Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
hoc khien » hoc hien, hoc nghien, hoc thieu
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 khien tinh - ((hanh chinh) or (canh tranh)) cua dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc khien tinh - ((hanh chinh) OR (canh tranh)) cua dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc khien tinh - ((hanh chinh) or (canh tranh)) cua dung cong tan toan cau*.