Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
lap hoat » tap hoa, dan hoat, lap dat
vien cac » vien bach, vien dai, vien da
su sach » so sach, vu sach
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
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: su sach ((ky sang) or (ky dang)) lap hoat. hieu vien cac xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ky sang) OR (ky dang)) lap hoat. hieu vien cac xuc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ((ky sang) or (ky dang)) lap hoat. hieu vien cac xuc va hanh vi cua te*.