Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
hang vi » hang va, hanh vi, khang voi
hang di » hang doi, hang dien, hang dich
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
xuc va » duc va, tuc va, luc va
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)) ty nang xa hoi. hieu va cham xuc va ((hang di) OR (hang vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty nang xa hoi. hieu va cham xuc va ((hang di) OR (hang vi)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (toc sach)) ty nang xa hoi. hieu va cham xuc va ((hang di) OR (hang vi)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty nang xa hoi. hieu va cham xuc va ((hang di) OR (hang vi)) cua te*.