Perhaps you should try some spelling variations:
dien cuc » dien tu, dieu cua, dien hoc
vien cac » vien bach, vien dai, vien da
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
y nang » ky nang, ly nang, v nang
soc va » hoc va, loc va, doc 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 va cham soc va danh ((dien cuc) OR (vien cac)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu va cham soc va danh ((dien cuc) OR (vien cac)) te".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu va cham soc va danh ((dien cuc) OR (vien cac)) te*.