Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, tien anh
dung cong » dung trong
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
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: theo ((tieu xanh) or (dieu hanh)) - hanh ((mang cua) or (dung cua)) dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - hanh ((mang cua) OR (dung cua)) dung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - hanh ((mang cua) or (dung cua)) dung cong dan toan cao*.