Perhaps you should try some spelling variations:
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
dang cong » dung cong
bang cong » bang song, hang cong, dung cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - hanh dong luan ((dang cong) or (bang cong)) san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh dong luan ((dang cong) OR (bang cong)) san van ban.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh dong luan ((dang cong) or (bang cong)) san van ban*.