Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
xa danh » dia danh, nam danh, van danh
sai cua » dai cua, hai cua, lai cua
nang ma » tang ma, sang ma, nang cao
va danh » va dinh, va dan, va hanh
hieu le » hieu ve, hieu he, hieu ly
sac ky » sai ky
ma hoi » mai hoi, xa hoi, ma hoa
le nam » ly nam, he nam, le na

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) or (cac ky)) nang ma hoi. hieu le nam thu ((xa danh) OR (va danh)) sai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) nang ma hoi. hieu le nam thu ((xa danh) OR (va danh)) sai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (cac ky)) nang ma hoi. hieu le nam thu ((xa danh) OR (va danh)) sai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (cac ky)) nang ma hoi. hieu le nam thu ((xa danh) OR (va danh)) sai cua triet*.