Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
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 ((thieu xanh) or (hieu manh)) - hanh trinh cua thong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - hanh trinh cua thong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (hieu manh)) - hanh trinh cua thong cong dan than cau*.