Perhaps you should try some spelling variations:
nang hoc » nang doc, nang luc, dong hoc
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hoc hai » hoc dai, hoc bai, hoc tai
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
d cua » de cua, do cua, da cua

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 hoc hai. lieu va cam ((xuc ban) OR (duc ban)) anh d cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang hoc hai. lieu va cam ((xuc ban) OR (duc ban)) anh d cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang hoc hai. lieu va cam ((xuc ban) OR (duc ban)) anh d cua tre*.