Perhaps you should try some spelling variations:
hanh dung » thanh dung, hanh dong, manh dung
dang cong » dung cong
theo tin » thao tin, theo tieu, theo tcvn
tin nang » tin dung, ki nang, thi nang
anh dung » anh dong, anh huong, sach dung
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
ban cau » bang cau, ban can, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tin nang - ((((hanh dung) OR (anh dung))) or (anh tang)) cua dang cong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tin nang - ((((hanh dung) OR (anh dung))) OR (anh tang)) cua dang cong van ban cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tin nang - ((((hanh dung) OR (anh dung))) or (anh tang)) cua dang cong van ban cau".
• Adding a wildcard symbol may retrieve word variants: theo tin nang - ((((hanh dung) OR (anh dung))) or (anh tang)) cua dang cong van ban cau*.