Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
van cham » van chat, van tham, van pham
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van
soc van » hoc van, oc van, sac van
nang xa » nang x, nang ma, mang xa
hanh de » hanh ve, hanh kem
te sach » toc sach
de cua » le cua, te cua, dieu cua

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

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