Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
xuc van » duc van, luc van, vuc van
vu sach » vu bach, vu khach
su sach » so sach
lam va » nam va, dam va, am va
lam ha » nam ha, dam ha, lam chat

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

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