Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
ky hang » ky nang, ly hang, ky dang
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu san, tu bac
va hoi » xa hoi, va hoc, va hoa
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu cac)) ky hang va hoi. hieu va cac xuc va thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky hang va hoi. hieu va cac xuc va thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu cac)) ky hang va hoi. hieu va cac xuc va thanh dai cua tre*.