Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
sang lai » sang tai, sang lap, mang lai
hanh dai » hanh tai, hanh dao, thanh dat
cua tuc » cua duc, cua tu, cua thuoc
cam duc » cam xuc, cao duc, pham duc
hieu su » hieu sau, tieu su, hieu so
lai hoi » dai hoi, lai hoa, lai roi
ky sang » ky nang, ky dang, ky tang
su cam » su nam, su cao, su can
sac ky » cac ky, sai ky
cua te » cua tu
tu sac » tu sach, tu cac, tu san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang lai hoi. hieu su cam duc va ((hanh dai) OR (vanh dai)) ((cua te) OR (cua tuc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky sang lai hoi. hieu su cam duc va ((hanh dai) OR (vanh dai)) ((cua te) or (cua tuc))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang lai hoi. hieu su cam duc va ((hanh dai) OR (vanh dai)) ((cua te) or (cua tuc))*.