Perhaps you should try some spelling variations:
sang tao » hang tai
hieu van » thien van, lieu va, hieu ve
te sach » toc sach
tao hoi » tao khoi, tao boi, tay hoi
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
y sang » _ sang, duy sang
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua

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 sang tao hoi. ((hieu van) or (hieu va)) cam ((xuc va) OR (duc va)) danh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y sang tao hoi. ((hieu van) OR (hieu va)) cam ((xuc va) OR (duc va)) danh vi cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y sang tao hoi. ((hieu van) or (hieu va)) cam ((xuc va) OR (duc va)) danh vi cua vat".
• Adding a wildcard symbol may retrieve word variants: te sach y sang tao hoi. ((hieu van) or (hieu va)) cam ((xuc va) OR (duc va)) danh vi cua vat*.