Perhaps you should try some spelling variations:
thanh nam » hanh nam, thanh tam, thanh pham
thanh lam » thanh lap, hanh lam, thanh tam
cua triet » cua viet, su triet, va triet
sach ky » sach y, sach ty, sach kem
nang ro » nang co, nang ho, nang ra
cau duc » cao duc, cau luc, chu duc
sac ky » cac ky, sai ky
ro hoi » co hoi, o hoi, mo hoi
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sac ky)) nang ro hoi. lieu va cau duc va ((thanh lam) OR (thanh nam)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang ro hoi. lieu va cau duc va ((thanh lam) OR (thanh nam)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) nang ro hoi. lieu va cau duc va ((thanh lam) OR (thanh nam)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang ro hoi. lieu va cau duc va ((thanh lam) OR (thanh nam)) cua triet*.