Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
chat soc » cham soc, chat hoc, chat doc
van chat » cao chat
hieu van » hieu va, thien van, lieu va
sai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
su sach » so sach, vu sach
tu sach » thu sach, te sach, tu cach
soc va » hoc va, loc va, doc va
tu sac » tu cac, tu san, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (((tu sach) OR (su sach)))) ky lang xa hoi. hieu van chat soc va danh sai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (((tu sach) OR (su sach)))) ky lang xa hoi. hieu van chat soc va danh sai cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (((tu sach) OR (su sach)))) ky lang xa hoi. hieu van chat soc va danh sai cua vat*".