Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
nang ma » tang ma, sang ma, nang cao
van cac » van cau, van bac, dan cac
van hac » van hoc, van ha, van hai
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang ma hoi. hieu ((van cac) OR (van hac)) duc va thanh hai ((cua te) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang ma hoi. hieu ((van cac) OR (van hac)) duc va thanh hai ((cua te) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang ma hoi. hieu ((van cac) OR (van hac)) duc va thanh hai ((cua te) or (cua triet))*.