Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
danh dau » lanh dao, hang dau, danh tu
lang xa » lang ha, dang xay, lang van
sach ky » sac ky, sach ty, sach kem
va danh » va dinh, va dan, va hanh
dau cua » dai cua, day cua, cau cua
soc va » hoc va, loc va, doc va

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) or (sach y)) lang xa hoi. hieu ((van chat) OR (cao chat)) soc va danh dau cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) lang xa hoi. hieu ((van chat) OR (cao chat)) soc va danh dau cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) lang xa hoi. hieu ((van chat) OR (cao chat)) soc va danh dau cua viet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) lang xa hoi. hieu ((van chat) OR (cao chat)) soc va danh dau cua viet*.