Perhaps you should try some spelling variations:
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
loc va » hoc va, luc va
vi cua » vai 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 y nang xa hoi. hieu ((ve cam) or (va cac)) loc va hanh ((vi cua) or (hai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ((ve cam) OR (va cac)) loc va hanh ((vi cua) OR (hai cua)) te.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ((ve cam) or (va cac)) loc va hanh ((vi cua) or (hai cua)) te*.