Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong bai » cuong bai, cong hai, cung bai
dung bai » dung tai, dung sai, dung hai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh tranh cua dung ((cong bai) or (dung bai)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua dung ((cong bai) OR (dung bai)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua dung ((cong bai) or (dung bai)) toan ban*.