Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
dia danh » dia ban, gia dinh
sang lap » sang tao, sang ma, sang tai
vien cac » vien bach, vien dai, vien da
su sach » so sach, vu sach
vai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
lap hai » lap tai, lap lai, lap hoat
ky sang » ky nang, ky dang, ky tang
vi cua » di cua

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 lap hai. hieu vien cac xuc ((dia danh) or (va dinh)) ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang lap hai. hieu vien cac xuc ((dia danh) OR (va dinh)) ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang lap hai. hieu vien cac xuc ((dia danh) or (va dinh)) ((vi cua) OR (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang lap hai. hieu vien cac xuc ((dia danh) or (va dinh)) ((vi cua) OR (vai cua)) te*.