Perhaps you should try some spelling variations:
dong thanh » truong thanh
mot trieu » mot chieu, mot tri, mon triet
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: mot trieu tinh - hanh mang cua nhung ((((cong tan) OR (cong tac))) or (dong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot trieu tinh - hanh mang cua nhung ((((cong tan) OR (cong tac))) OR (dong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot trieu tinh - hanh mang cua nhung ((((cong tan) OR (cong tac))) or (dong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: mot trieu tinh - hanh mang cua nhung ((((cong tan) OR (cong tac))) or (dong thanh)) toan cau*.