Perhaps you should try some spelling variations:
sang tao » hang tai
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
hieu ve » hieu van
tao hai » tao dai, tao tai, tai hai
ty sang » ty xang, ty hang, duy sang
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua cu, cua te
cua su » qua su

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 ty sang tao hai. ((hieu ve) or (hieu va)) cam luc va danh vi ((cua tu) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty sang tao hai. ((hieu ve) OR (hieu va)) cam luc va danh vi ((cua tu) OR (cua su)).
• Adding a wildcard symbol may retrieve word variants: so sach ty sang tao hai. ((hieu ve) or (hieu va)) cam luc va danh vi ((cua tu) or (cua su))*.