Perhaps you should try some spelling variations:
sach tri » sach tai, sach tren, sach truc
tri nang » thi nang, tra nang, tri bang
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
hanh va » hanh vi
xuc va » duc va, tuc va, luc va

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 tri nang xa hoi. ((hieu ve) or (hieu va)) cac xuc va ((hanh va) OR (hang va)) qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tri nang xa hoi. ((hieu ve) OR (hieu va)) cac xuc va ((hanh va) OR (hang va)) qua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tri nang xa hoi. ((hieu ve) or (hieu va)) cac xuc va ((hanh va) OR (hang va)) qua su".
• Adding a wildcard symbol may retrieve word variants: te sach tri nang xa hoi. ((hieu ve) or (hieu va)) cac xuc va ((hanh va) OR (hang va)) qua su*.