Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh dong » anh dong, ha dong
cua tinh » cua sinh, va tinh, ha tinh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
dong va » dung va, dong ha, luong va

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 (cua tinh)) - hanh dong va nhung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (cua tinh)) - hanh dong va nhung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (cua tinh)) - hanh dong va nhung cong dan than tap*.