Perhaps you should try some spelling variations:
nam trung » nam trong, tai trung, nam vung
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
nam truc » nam truoc, nam thuc, nam thuoc
ba trung » tai trung, do trung, le trung
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang xa hoi. lieu va ((nam truc) or (((nam trung) OR (ba trung)))) van thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang xa hoi. lieu va ((nam truc) OR (((nam trung) OR (ba trung)))) van thanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang xa hoi. lieu va ((nam truc) or (((nam trung) OR (ba trung)))) van thanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: so sach y nang xa hoi. lieu va ((nam truc) or (((nam trung) OR (ba trung)))) van thanh vi cuu tre*.