Perhaps you should try some spelling variations:
su sach » so sach, vu sach
so sanh » do sanh
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
hieu d » dieu d, hieu 2, hieu _
d pham » d phan
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) or (so sanh)) ky nang xa hoi. hieu d pham duc va danh ((vi cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky nang xa hoi. hieu d pham duc va danh ((vi cua) OR (vai cua)) te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky nang xa hoi. hieu d pham duc va danh ((vi cua) or (vai cua)) te*.