Perhaps you should try some spelling variations:
te sach » toc sach
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van ha, van hai
van dau » van dao, phan dau
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
vi luu » vi lua

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 ((van hac) or (van dau)) xuc va hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu ((van hac) OR (van dau)) xuc va hanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu ((van hac) or (van dau)) xuc va hanh vi luu tre*.