Perhaps you should try some spelling variations:
xa khanh » xa thanh, van khanh, dat khanh
su sach » so sach, vu sach
xa hanh » xa thanh, va hanh, da hanh
hac tuc » thac toc, thai tuc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
so sanh » do sanh
nang xa » nang x, lang xa, nang ma
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua
va hac » van hac, va khac, va cac

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)) v nang xa hoi. hieu va hac tuc ((xa hanh) OR (xa khanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) v nang xa hoi. hieu va hac tuc ((xa hanh) OR (xa khanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) v nang xa hoi. hieu va hac tuc ((xa hanh) OR (xa khanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) v nang xa hoi. hieu va hac tuc ((xa hanh) OR (xa khanh)) vi cua tre*.