Perhaps you should try some spelling variations:
nang cho » nang chon, ngang cho, nang cao
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cho hoc » co hoc, khoa hoc
hieu va » lieu va, hieu qua
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
cua cau » cua cac, cua chu, cua can
cua cay » cua cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang cho hoc. hieu va cac ((xuc van) OR (duc van)) hanh vi ((cua cau) or (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang cho hoc. hieu va cac ((xuc van) OR (duc van)) hanh vi ((cua cau) OR (cua cay))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang cho hoc. hieu va cac ((xuc van) OR (duc van)) hanh vi ((cua cau) or (cua cay))*".