Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tang luan » dung luan
dang cong » dung cong
hang cua » mang cua, huong cua, thong cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((tang luan) or (((hang cua) or (hang ca)))) dang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((tang luan) OR (((hang cua) OR (hang ca)))) dang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang luan) or (((hang cua) or (hang ca)))) dang cong dan toan cau*.