Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
vai cuu » vai cua
vu cham » va cham, vu kham, tu cham
cuu tre » cua tre, cau tren, cau treo
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
x hoi » o hoi, x ho, 5 hoi

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

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