Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va chai » va cai, va chat, va cham
cua tre » cua te, cuu tre, cua triet
cuc va » chuc va, duc va, cu va
cuu va » cuu van, cuu ve
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. lieu va chai ((cuc va) or (cuu va)) thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. lieu va chai ((cuc va) OR (cuu va)) thanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. lieu va chai ((cuc va) or (cuu va)) thanh va cua tre*.