Perhaps you should try some spelling variations:
chuc thue » cuc thue, thuc thuc, cho thue
cham luc » cham soc, nhan luc, cham cuu
su sach » so sach, vu sach
han tai » hang tai, nhan tai, van tai
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky danh » ky anh, ky dang
duc tre » duoc tren, duc tien
luc va » duc va, tuc va, loc va
va han » va phan, van han, va hanh
ma hoi » mai hoi, ma hoa, me hoi

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 ky danh ((ma hoi) OR (xa hoi)). hieu ve cham luc va han tai ((chuc thue) OR (duc tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky danh ((ma hoi) OR (xa hoi)). hieu ve cham luc va han tai ((chuc thue) or (duc tre))~".
• Adding a wildcard symbol may retrieve word variants: su sach ky danh ((ma hoi) OR (xa hoi)). hieu ve cham luc va han tai ((chuc thue) or (duc tre))*.