Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
cam duc » cam xuc, cao duc, pham duc
vai cua » dai cua, hai cua, lai cua
va cam » va cham, va cac, va cao
vi cua » di cua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((nang xa) OR (nang ma)) hoi. lieu va cam duc va thanh ((vi cua) OR (vai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y ((nang xa) or (nang ma)) hoi. lieu va cam duc va thanh ((vi cua) OR (vai cua)) te~".
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((nang xa) or (nang ma)) hoi. lieu va cam duc va thanh ((vi cua) OR (vai cua)) te*.