Perhaps you should try some spelling variations:
thue xanh » thue thanh, thuc hanh, thuy anh
nhan dang » nhan dan, phan dang, tran dang
cho thue » choi thuc, cuc thue, cho he
han dang » phan dang, chan dang, van dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho thue xanh - canh tranh ((han dang) or (nhan dang)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho thue xanh - canh tranh ((han dang) OR (nhan dang)) cong dan toan cao*.