Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
cua dung » cua dang, cua dong, qua dung
hang dau » hang va
hang tai » hang va, dung 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 - canh tranh cua dung cong bang ((hang dau) OR (hang tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - canh tranh cua dung cong bang ((hang dau) OR (hang tai))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh cua dung cong bang ((hang dau) OR (hang tai))*.