Perhaps you should try some spelling variations:
dang xay » dang van, van xay
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
van anh » van thanh, tuan anh, van minh
cao duc » dao duc, cao suc, giao duc
tu sac » tu sach, tu cac, tu san
anh vi » hanh vi, anh va, anh ve
va cao » va cac, va co, va dao
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((dang xay) or (hang va)) hoi. hieu va cao duc van anh vi ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang xay) OR (hang va)) hoi. hieu va cao duc van anh vi ((cua tre) OR (cua tu))*.