Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
so sach » so sanh, bo sach, co sach
hang xa » hoang xa, hang ca, lang xa
hieu va » lieu va, hieu qua
thue va » thuc va, thuyet va, thuc vat
va hanh » van hanh, va thanh, va danh
hai cua » dai cua, hoi cua, lai cua
va cuc » va cuoc, van cuc, va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((hang xa) OR (hang va)) hoi. hieu va cuc thue va hanh ((hai cua) or (thai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((hang xa) OR (hang va)) hoi. hieu va cuc thue va hanh ((hai cua) OR (thai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y ((hang xa) OR (hang va)) hoi. hieu va cuc thue va hanh ((hai cua) or (thai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: so sach y ((hang xa) OR (hang va)) hoi. hieu va cuc thue va hanh ((hai cua) or (thai cua)) triet*.