Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
vien cac » vien bach, vien dai, vien da
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
va cua » va chua, via cua, ca cua
dan va » doan va, dan ca, ban va
va dan » ca dan, va dao, va dau
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
y nang » ky nang, ly nang, v nang
ve cai » va cai, ve cac, ve tai

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 y nang xa hoi. hieu ((((ve cai) or (vien cac))) or (va cham)) tuc va dan va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. hieu ((((ve cai) OR (vien cac))) OR (va cham)) tuc va dan va cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu ((((ve cai) or (vien cac))) or (va cham)) tuc va dan va cua te*.