Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, han tai
van hanh » van thanh, ban hanh, van anh
toc sach » hoc sach, doc sach, thuoc sach
tru nang » tra nang, tri nang, truc nano
xuc van » duc van, luc van, vuc van
tu nang » tu nong, tu nano, tu lang
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
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 ((tu nang) OR (tru nang)) xa hoi. hieu va cam xuc van hanh tai ((cua te) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((tu nang) OR (tru nang)) xa hoi. hieu va cam xuc van hanh tai ((cua te) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: toc sach ((tu nang) OR (tru nang)) xa hoi. hieu va cam xuc van hanh tai ((cua te) or (cua triet))*.