Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
te sach » toc sach
van cau » van dau, van hau, van chat
ly van » le van, ly va, ly von
vi cua » vai cua, di cua
y van » ty van, _ van, b van
tay o » tay co

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 van) OR (ly van)) tay o. hieu ((van cau) or (cao chat)) truc va danh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y van) OR (ly van)) tay o. hieu ((van cau) OR (cao chat)) truc va danh vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y van) OR (ly van)) tay o. hieu ((van cau) or (cao chat)) truc va danh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: te sach ((y van) OR (ly van)) tay o. hieu ((van cau) or (cao chat)) truc va danh vi cua viet*.