Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
canh tinh » hanh tinh, manh tinh, canh tranh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
doi chi » doi khi
chi anh » chi danh, chi hanh, thi anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi anh - ((canh tinh) or (nhanh tinh)) cua bang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi anh - ((canh tinh) OR (nhanh tinh)) cua bang cong dan toan cao*.