Perhaps you should try some spelling variations:
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va
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: ((te sach) or (su sach)) ky lang xa hoi. hieu va cac xuc va danh ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (su sach)) ky lang xa hoi. hieu va cac xuc va danh ((vi cua) OR (vai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (su sach)) ky lang xa hoi. hieu va cac xuc va danh ((vi cua) or (vai cua)) tre*.