Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
hanh han » hanh nhan, hanh phan, hanh san
cac hang » cac dang, cac lang, cach mang
cac bang » cao bang, cac dang, cac ban
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (thien anh)) - hanh han ((cac hang) or (cac bang)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien anh)) - hanh han ((cac hang) OR (cac bang)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (thien anh)) - hanh han ((cac hang) or (cac bang)) cong dan than cau*.