Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
van thanh » ban thanh, van tuan
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » cua viet, su triet, va triet
vien cac » vien bach, vien dai, vien da
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
lai cua » dai cua, hai cua, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ((mai hoi) or (xa hoi)). hieu vien cac xuc van thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((mai hoi) OR (xa hoi)). hieu vien cac xuc van thanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((mai hoi) or (xa hoi)). hieu vien cac xuc van thanh lai cua triet*.