Perhaps you should try some spelling variations:
thanh vi » thanh va, thanh ve, nhanh vi
dua tren » dung tren
su sach » so sach, vu sach
xang xa » lang xa, mang xa, ang xa
qua cau » quan cau, qua cac, qua ca
cau xuc » cam xuc, cau luc, cau truc
cu tren » tu 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: su sach y xang xa hoi. hieu qua cau xuc va ((thanh vi) or (hanh vi)) ((cu tren) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y xang xa hoi. hieu qua cau xuc va ((thanh vi) OR (hanh vi)) ((cu tren) OR (dua tren)).
• Adding a wildcard symbol may retrieve word variants: su sach y xang xa hoi. hieu qua cau xuc va ((thanh vi) or (hanh vi)) ((cu tren) or (dua tren))*.