Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
van tham » van thanh, van tuan, van chat
tham soc » cham soc, tham nuoc, thai son
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
soc van » hoc van, oc van, sac van
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y ((nang xa) or (dang xay)) hoi. hieu van tham soc van hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((nang xa) OR (dang xay)) hoi. hieu van tham soc van hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach y ((nang xa) or (dang xay)) hoi. hieu van tham soc van hanh di cua triet*.