Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
nang cho » nang chon, ngang cho, nang cao
hieu van » hieu va, thien van, lieu va
su sach » so sach
vu sach » vu bach, vu khach
cho hoc » co hoc, khoa hoc
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
tai cua » thai cua, tai cuc, dai cua

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) or (vu sach)) ky nang cho hoc. hieu van cam xuc ban thanh ((tai cua) OR (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang cho hoc. hieu van cam xuc ban thanh ((tai cua) OR (tri cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) ky nang cho hoc. hieu van cam xuc ban thanh ((tai cua) OR (tri cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky nang cho hoc. hieu van cam xuc ban thanh ((tai cua) OR (tri cua)) tre*.