Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh mang » nhanh mang, hanh trang, nhanh lang
chua tinh » cua tinh, cha tinh, thuat tinh
cua nhung » va nhung
chu tinh » chau tinh, cuu tinh, chu tich
anh tang » anh bang, anh dang, anh nang
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu tinh) OR (chua tinh)) - ((anh tang) OR (hanh mang)) cua nhung cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu tinh) OR (chua tinh)) - ((anh tang) or (hanh mang)) cua nhung cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu tinh) OR (chua tinh)) - ((anh tang) or (hanh mang)) cua nhung cong tan toan cau*.