Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
hang hang » nang hang, hung thang, lang thang
cho xanh » cho doanh, cho thanh, cho sinh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap
cao cho » cap cho, cao chat

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

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