Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thanh lap » thanh san, phan lap, thanh hai
chao chu » cho chu, cua chu, cao cho
thong va » thong cua, truong va, thong qua
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
than cap » khan cap, thanh cac, than cua
chu van » cuu van, chu han

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

• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu van - thanh thong va nhung ((cong tan) OR (cong tac)) ((than cap) OR (thanh lap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu van - thanh thong va nhung ((cong tan) or (cong tac)) ((than cap) OR (thanh lap))~".
• Adding a wildcard symbol may retrieve word variants: chao chu van - thanh thong va nhung ((cong tan) or (cong tac)) ((than cap) OR (thanh lap))*.