Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cach van » cac van, bach van, canh van
sach dao » lanh dao
cam thuc » am thuc, nam thuc, cam thu
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

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