Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh hang » thanh hoang, thanh thang, tranh hang
khi xanh » khia canh, thi hanh, thi anh
cong dan » cong san, cong tan, huong dan
toan cau » toan tap, toan tai
toan cao » toan tap
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: doi khi xanh - thanh hang va thuong cong dan ((toan cau) or (((toan cao) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thanh hang va thuong cong dan ((toan cau) OR (((toan cao) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh hang va thuong cong dan ((toan cau) or (((toan cao) or (toan ban))))*.