Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
pham cau » phan cau, pham can, pha cau
pham ca » pham can, pham ma, pham va

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 - canh tranh qua dung cong san ((pham cau) OR (pham ca))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - canh tranh qua dung cong san ((pham cau) OR (pham ca))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh qua dung cong san ((pham cau) OR (pham ca))*.