Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
hanh hang » thanh hang, hang hang, hanh han
lang cong » dang cong, bang cong, hang cong
hang cac » hang ca, hang cau, bang cac
cac lang » cac dang, cac bang, cach mang
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

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