Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
bien tinh » bi tinh, yen tinh, diep tinh
lanh manh » lanh tranh, lan anh, van manh
dang cong » dung cong
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 ((tieu tinh) or (bien tinh)) - lanh manh cua dang cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu tinh) OR (bien tinh)) - lanh manh cua dang cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) or (bien tinh)) - lanh manh cua dang cong tac toan ban*.