Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tranh cua » doanh cua
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong ty
tran man » tran manh, tran van, tran tan

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 xanh - hanh ((tranh cua) OR (manh cua)) nhung ((cong tan) OR (cong thanh)) tran man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu xanh - hanh ((tranh cua) or (manh cua)) nhung ((cong tan) OR (cong thanh)) tran man~".
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - hanh ((tranh cua) or (manh cua)) nhung ((cong tan) OR (cong thanh)) tran man*.