Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, va tinh
may nang » may nong, ky nang, cam nang
te sach » toc sach
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
v nang » va nang, vu nang, van nang

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: te sach ((may nang) OR (v nang)) xa hoi. hieu ve cac duc va thanh van ((cua triet) OR (cua viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((may nang) or (v nang)) xa hoi. hieu ve cac duc va thanh van ((cua triet) OR (cua viet))~".
• Adding a wildcard symbol may retrieve word variants: te sach ((may nang) or (v nang)) xa hoi. hieu ve cac duc va thanh van ((cua triet) OR (cua viet))*.