Perhaps you should try some spelling variations:
thien van » thi van
thanh vi » hanh vi, thanh va, thanh ve
xa thanh » va thanh, ha thanh, ta thanh
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
so sanh » do sanh
cua tre » cua te, cuu tre, cua triet
van ha » van hoa, van chat, van hanh
ha tuc » ha thuc, va tuc, ha duc
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) or (so sanh)) v ((nang xa) OR (nang ma)) hoi. thien van ha tuc xa thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) v ((nang xa) OR (nang ma)) hoi. thien van ha tuc xa thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) v ((nang xa) OR (nang ma)) hoi. thien van ha tuc xa thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) v ((nang xa) OR (nang ma)) hoi. thien van ha tuc xa thanh vi cua tre*.