Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh ve » trinh ve, thanh ve, tranh va
ve duong » ke duong, ve huong, ve tuong
cung bai » cuong bai, nhung bai, cung cap
dung bai » dung tai, dung sai, dung hai
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu manh - canh tranh ve duong ((cung bai) OR (dung bai)) ((toan cau) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu manh - canh tranh ve duong ((cung bai) OR (dung bai)) ((toan cau) or (van ban))~".
• Adding a wildcard symbol may retrieve word variants: ho hieu manh - canh tranh ve duong ((cung bai) OR (dung bai)) ((toan cau) or (van ban))*.