Perhaps you should try some spelling variations:
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
dang cong » dung cong
hanh ban » thanh ban, hang ban, hanh san
cua dang » cua cong, cua ban
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban
ban cua » ban quan

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 (tieu danh)) - hanh ban cua dang cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - hanh ban cua dang cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (tieu danh)) - hanh ban cua dang cong tap toan ban*.