Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hieu manh » chieu xanh, hieu nganh, dieu hanh
chau tinh » cuu tinh, ha tinh, cua tinh
hanh dong » anh dong, ha dong
hang cong » dang cong, hang nong, bang cong
dong cua » dung cua, cong cua, huong cua
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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