Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham tuc » nham thuc, pham thuc, tham thuc
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 cham » va chat, va tham
va tinh » may tinh
lai cua » dai cua, hai cua, lai chau
cua te » cua tu

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 ty nang xa hoi. lieu va cham tuc ((le thanh) or (va tinh)) lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang xa hoi. lieu va cham tuc ((le thanh) OR (va tinh)) lai cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang xa hoi. lieu va cham tuc ((le thanh) or (va tinh)) lai cua te*.