Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
trung tuan » trung thanh, tran tuan, truong thanh
bang cong » dang cong, bang song, hang cong
van thanh » ban thanh, van tuan
thanh tay » thanh tai, thanh toan, thanh thuy
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chinh sach) or (nhieu tang)) - thanh ((trung tuan) OR (trung tam)) bang cong van thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (nhieu tang)) - thanh ((trung tuan) OR (trung tam)) bang cong van thanh tay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chinh sach) or (nhieu tang)) - thanh ((trung tuan) OR (trung tam)) bang cong van thanh tay".
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (nhieu tang)) - thanh ((trung tuan) OR (trung tam)) bang cong van thanh tay*.