Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
thanh va » hanh va, thanh ha, thanh ve
truc ban » thuc ban, truc dan, truc van
cua tre » cua te, cuu tre, cua triet
thu san » thuy san, thu ban, phu san
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
tu san » tu ban, tu can, vu san
va cau » van cau, va cac, va dau

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: ((tu san) OR (thu san)) ky tang xa hoi. lieu va cau truc ban ((thanh va) OR (thanh van)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) or (thu san)) ky tang xa hoi. lieu va cau truc ban ((thanh va) OR (thanh van)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (thu san)) ky tang xa hoi. lieu va cau truc ban ((thanh va) OR (thanh van)) cua tre*.