Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
tri nang » thi nang, tra nang, tri bang
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
tu nang » tru nang, tu nong, tu nano
tuc va » truc va, tuc xa, duc va
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((tu nang) or (tri nang)) xa hoi. hieu va co ((tuc va) or (thuc va)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (tri nang)) xa hoi. hieu va co ((tuc va) OR (thuc va)) thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (tri nang)) xa hoi. hieu va co ((tuc va) or (thuc va)) thanh vai cua tre*.