Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cua triet, dua tren
hanh di » hanh vi, hanh de, hang di
cac xuc » cam xuc, cac nuoc, chat xuc
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. ((thien van) OR (thi van)) cac xuc ban hanh di ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. ((thien van) OR (thi van)) cac xuc ban hanh di ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. ((thien van) OR (thi van)) cac xuc ban hanh di ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. ((thien van) OR (thi van)) cac xuc ban hanh di ((cua tre) or (cuu tre))*.