Perhaps you should try some spelling variations:
nang lap » nang cap, sang lap, nang lam
su sach » so sach
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
vu sach » vu bach, vu khach
lap lai » lap tai, lay lai, lam lai
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
vi cua » di cua
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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