Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
hieu va » lieu va, hieu qua
va tinh » may tinh
tinh va » tich va, trinh van, trinh vat
tu sai » tu bai, tu san, tu cai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky lang xa hoi. ((hieu ve) or (hieu va)) pham duc va tinh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky lang xa hoi. ((hieu ve) OR (hieu va)) pham duc va tinh va su triet.
• Adding a wildcard symbol may retrieve word variants: tu sai ky lang xa hoi. ((hieu ve) or (hieu va)) pham duc va tinh va su triet*.