Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung toan » truong toan, trung tuan, trung tran
lieu tinh » trieu tinh, diep tinh, bien tinh
toan tong » toan thong, toan trong, toan cong
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
tuan ban » tuan bang, toan ban, luan ban
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - thanh trung toan tong ((cong van) or (song van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh trung toan tong ((cong van) OR (song van)) tuan ban*.