Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, gian cac
te sach » toc sach
nang xa » nang x, lang xa, nang ma
vien da » vien dai, hien dai
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua
cua te » cua tu
du va » dau va, tu va, su va

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