Perhaps you should try some spelling variations:
te sach » toc sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ty sang » ty hang, duy sang, thu sang
luc va » duc va, tuc va, loc 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 ((ty sang) OR (ty xang)) tao hoi. ((hieu ve) or (hieu qua)) cam luc va danh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty sang) OR (ty xang)) tao hoi. ((hieu ve) OR (hieu qua)) cam luc va danh vi cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty sang) OR (ty xang)) tao hoi. ((hieu ve) or (hieu qua)) cam luc va danh vi cua vat".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty sang) OR (ty xang)) tao hoi. ((hieu ve) or (hieu qua)) cam luc va danh vi cua vat*.