Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, xuc ban
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va
van anh » van thanh, tuan anh, van minh
vi cua » vai cua, di cua
anh vi » hanh vi, anh va, anh ve
cua te » cua tu

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) or (toc sach)) ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van anh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van anh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ky nang xa hoi. ((hieu ve) OR (hieu van)) cam xuc van anh vi cua te*".