Perhaps you should try some spelling variations:
tien manh » tien anh, tien thanh, tieng anh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran cau » tran chau, toan cau, ran cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tien manh) or (dieu hanh)) - hanh mang cua nhung ((cong tan) OR (cong san)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tien manh) OR (dieu hanh)) - hanh mang cua nhung ((cong tan) OR (cong san)) tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tien manh) or (dieu hanh)) - hanh mang cua nhung ((cong tan) OR (cong san)) tran cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tien manh) or (dieu hanh)) - hanh mang cua nhung ((cong tan) OR (cong san)) tran cau*.