Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tong trong » thong trong, trong trong, cong trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
van thanh » van tuan
ban thanh » ban hanh, ban hang
cua tong » cua cong, cua dong, cua nong

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tranh cua tong trong ((van thanh) OR (ban thanh)) lap~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tranh cua tong trong ((van thanh) OR (ban thanh)) lap*.