Perhaps you should try some spelling variations:
khien bang » phien ban, khien dong
dong manh » duong manh, dong anh, dang manh
manh toan » thanh toan, anh tuan, tinh toan
chu bang » thu bang, chuc nang, chu quang
anh hoan » anh hoang, anh toan, anh han
hoan cua » hoa cua, toan cua, han cua
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 ((khien bang) or (chu bang)) - anh hoan cua cong dong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((khien bang) OR (chu bang)) - anh hoan cua cong dong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((khien bang) or (chu bang)) - anh hoan cua cong dong manh toan ban*.