Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang noi » nang doc
dau cua » dai cua, day cua, cau cua
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach ty, sach kem
hieu su » hieu sau, tieu su, hieu so
noi hoi » noi doi, doi hoi, hoi hoi
va dao » ca dao
su cam » su nam, su cao, su can

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 ky) or (sach y)) nang noi hoi. hieu su cam xuc ((va hanh) or (va dao)) dau cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang noi hoi. hieu su cam xuc ((va hanh) OR (va dao)) dau cua triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) nang noi hoi. hieu su cam xuc ((va hanh) or (va dao)) dau cua triet*.