Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
tinh va » tich va, trinh van, trinh vat
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu

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 ky tang xa hoi. hieu ((vo coc) or (vo co)) ((duc va) or (tuc xa)) tinh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky tang xa hoi. hieu ((vo coc) OR (vo co)) ((duc va) OR (tuc xa)) tinh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ky tang xa hoi. hieu ((vo coc) or (vo co)) ((duc va) or (tuc xa)) tinh va cuu tre*.