Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
nuoc van » nuoc va, nuoc san, luoc van
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, dua tren
anh ky » hanh ky, anh my, nganh ky
anh y » hanh y, anh d, anh _

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: hoc ((anh ky) OR (anh y)) nang xa hoi. lieu va tham nuoc van hanh vi ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((anh ky) OR (anh y)) nang xa hoi. lieu va tham nuoc van hanh vi ((cua tre) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((anh ky) OR (anh y)) nang xa hoi. lieu va tham nuoc van hanh vi ((cua tre) or (cua triet))*.