Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tran xuan » tran quang, tran van
bang cong » dang cong, bang song, hang cong
cong doan » cong dan, cong hoan, dong doanh
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
doan van » doan va, hoang van, luan 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 ((trung tuan) or (tran xuan)) bang cong doan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((trung tuan) OR (tran xuan)) bang cong doan van ban.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((trung tuan) or (tran xuan)) bang cong doan van ban*.