Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh dong » anh dong, ha dong
cua nhung » va nhung
dong cua » dung cua, cong cua, huong cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than tap » toan tap, han tap, phan tap
ha tinh » va tinh, may tinh

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

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