Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
ung tren » dung tren, muong tren, trung tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
xuc ban » duc ban, cuc ban, quoc ban
vi ung » va ung, vi luong, vi trung

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 ky tang xa hoi. hieu van cau xuc ban hanh vi ung tren~.
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang xa hoi. hieu van cau xuc ban hanh vi ung tren*.