Perhaps you should try some spelling variations:
nhanh vi » nhanh va, nhanh thi, hanh va
tu sach » thu sach, su sach, te sach
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
ca tren » cau tren, cu tren, la tren
y xang » ty xang
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: tu sach y xang xa hoi. hieu va cac xuc va ((nhanh vi) or (hanh vi)) ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y xang xa hoi. hieu va cac xuc va ((nhanh vi) OR (hanh vi)) ca tren.
• Adding a wildcard symbol may retrieve word variants: tu sach y xang xa hoi. hieu va cac xuc va ((nhanh vi) or (hanh vi)) ca tren*.