Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
cua triet » cua viet, va triet
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cac tuc » cac toc, cac tu, cac tac
cua tre » cua te, cuu tre, dua tren
tuc va » thuc va, truc va, tuc xa

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