Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
lang thang » dang thanh, lang trong, sang than
hung thang » hung tran
chu xanh » chu manh, chieu xanh, chua xang
va trong » va truong, va thong, va tuong
cong bai » cuong bai, cong hai, cung bai
bai toan » bai tap
toan cau » toan cao, toan ban, toan tap
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu xanh - ((((lang thang) or (cang thang))) or (hung thang)) va trong cong bai toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu xanh - ((((lang thang) OR (cang thang))) OR (hung thang)) va trong cong bai toan cau.
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - ((((lang thang) or (cang thang))) or (hung thang)) va trong cong bai toan cau*.