Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thuat bang » thuat ban, thuat mang, thuat nang
tuan dang » tran dang, tuan bang, tuan dung
cong dan » cong san, cong tan, huong dan
than sao » than so, than vao, thanh san
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: theo chieu xanh - thanh trung ((tuan dang) or (thuat bang)) cong dan ((than sao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung ((tuan dang) OR (thuat bang)) cong dan ((than sao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung ((tuan dang) or (thuat bang)) cong dan ((than sao) or (toan ban))*.