Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
hanh tai » thanh tai, hang tai, han tai
sach ly » sach y, sach lo, sach ty
nang xa » lang xa, nang ma, mang xa
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
buu tre » cuu tre

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ly ((nang xa) or (nang x)) hoi. lieu va cham duc va hanh tai buu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ly ((nang xa) OR (nang x)) hoi. lieu va cham duc va hanh tai buu tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ly ((nang xa) or (nang x)) hoi. lieu va cham duc va hanh tai buu tre*.