Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
va hang » van hang, va nang, va lang
hai cua » dai cua, hoi cua, lai cua
y nang » ky nang, ly nang, v nang
me hoi » le hoi
ve cao » va cao, ve bao, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((me hoi) or (ma hoa)). hieu ve cao duc va hang ((hai cua) OR (thai cua)) su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((me hoi) OR (ma hoa)). hieu ve cao duc va hang ((hai cua) OR (thai cua)) su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((me hoi) or (ma hoa)). hieu ve cao duc va hang ((hai cua) OR (thai cua)) su".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((me hoi) or (ma hoa)). hieu ve cao duc va hang ((hai cua) OR (thai cua)) su*.