Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
su sach » so sach, vu sach
va chat » van chat, va phat, cao chat
cuu tre » cua tre, cau tren, cau treo
sach ly » sach y, sach lo, sach ty
va cham » va tham
hang xa » hoang xa, hang va, hang ca
ly hang » ly quang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly hang xa hoi. hieu ((va cham) OR (va chat)) cua ban ((thanh dai) or (doanh tai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly hang xa hoi. hieu ((va cham) OR (va chat)) cua ban ((thanh dai) OR (doanh tai)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly hang xa hoi. hieu ((va cham) OR (va chat)) cua ban ((thanh dai) or (doanh tai)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ly hang xa hoi. hieu ((va cham) OR (va chat)) cua ban ((thanh dai) or (doanh tai)) cuu tre*.