Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh sai » dung sai, danh bat, danh dau
nang ma » tang ma, sang ma, nang cao
hieu he » hieu ve, hiem he, hieu le
le danh » le dinh, le anh, le manh
sai cua » dai cua, hai cua, lai cua
ma hoi » mai hoi, xa hoi, ma hoa
he nam » ha nam, nghe nam
thu le » thu les, thu xe, tu le

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))) or (sai ky)) nang ma hoi. hieu he nam thu le danh sai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sac ky) OR (cac ky))) OR (sai ky)) nang ma hoi. hieu he nam thu le danh sai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((((sac ky) or (cac ky))) or (sai ky)) nang ma hoi. hieu he nam thu le danh sai cua triet*.