Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tay lang » tai lang, tay tang, tay quang
qua cau » quan cau, qua cac, qua ca
su sach » so sach, vu sach
ty lang » ty xang, ty hang, tu lang
cau luc » cau truc, cau phuc
luc va » duc va, tuc va, loc va
vu van » tu van
vu va » tu va, su va

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 ((ty lang) OR (tay lang)) xa hoi. hieu qua cau luc va thanh ((vu va) OR (vu van)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ty lang) or (tay lang)) xa hoi. hieu qua cau luc va thanh ((vu va) OR (vu van)) triet~".
• Adding a wildcard symbol may retrieve word variants: su sach ((ty lang) or (tay lang)) xa hoi. hieu qua cau luc va thanh ((vu va) OR (vu van)) triet*.