Perhaps you should try some spelling variations:
ve triet » va trien, su triet
xuc tuan » duc thuan, quoc tuan, xuan tuan
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
hoc sac » hoc sach, hoc cac, hoc mac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, me hoi
anh vi » hanh vi, anh va, anh ve
cua te » cua tu
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sac ky nang ((ma hoi) or (ma hoa)). hieu ve cac xuc tuan anh vi ((cua te) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sac ky nang ((ma hoi) OR (ma hoa)). hieu ve cac xuc tuan anh vi ((cua te) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: hoc sac ky nang ((ma hoi) or (ma hoa)). hieu ve cac xuc tuan anh vi ((cua te) or (ve triet))*.