Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cham luc » cham soc, nhan luc, cham cuu
thanh va » hanh va, thanh ha, thanh ve
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va
te sac » te sach, te cac, te san

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: te sac ky nang ((ma hoa) OR (xa hoi)). hieu ve cham luc va ((thanh va) OR (thanh van)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ((ma hoa) or (xa hoi)). hieu ve cham luc va ((thanh va) OR (thanh van)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ((ma hoa) or (xa hoi)). hieu ve cham luc va ((thanh va) OR (thanh van)) cua tre*.