Perhaps you should try some spelling variations:
nang som » nang song, nang soan, nang doc
ban danh » ban doanh, ban hanh, ban dan
te sach » toc sach
doi cua » dai cua, hoi cua
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, sach thu
som hai » son hai, so hai, soat hai
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cao, va cai
di cua » dai cua, de cua, do 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 som hai. hieu ((va cam) or (va cac)) xuc ban danh ((di cua) OR (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang som hai. hieu ((va cam) OR (va cac)) xuc ban danh ((di cua) OR (doi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang som hai. hieu ((va cam) or (va cac)) xuc ban danh ((di cua) OR (doi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang som hai. hieu ((va cam) or (va cac)) xuc ban danh ((di cua) OR (doi cua)) tre*.