Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
toc sach » hoc sach, doc sach, thuoc sach
hanh di » hanh vi, hanh de, hang di
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (toc sach)) ky nang x hoi. hieu ve cham ((xuc va) or (tuc xa)) hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (toc sach)) ky nang x hoi. hieu ve cham ((xuc va) OR (tuc xa)) hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (toc sach)) ky nang x hoi. hieu ve cham ((xuc va) or (tuc xa)) hanh di cua te*.