Perhaps you should try some spelling variations:
che chinh » te chinh
hanh tang » hanh trang, hanh mang, nhanh thang
hanh tung » thanh tung, manh tung, hanh dung
dung cong » dung trong
anh tang » anh bang, anh dang, anh nang
qua dung » quang dung, su dung, qua song
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: che chinh sach - ((((hanh tang) OR (hanh tung))) or (anh tang)) qua dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: che chinh sach - ((((hanh tang) OR (hanh tung))) OR (anh tang)) qua dung cong tac toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "che chinh sach - ((((hanh tang) OR (hanh tung))) or (anh tang)) qua dung cong tac toan cau*".