Perhaps you should try some spelling variations:
nam duoc » nam thuoc, da duoc, dat duoc
dinh lai » dinh lam, dinh lap, dinh tai
sang mai » sang ma, sang tai, lang mai
hieu ve » hieu va, hieu van
lai cua » dai cua, hai cua, lai chau
va dinh » van dinh, va kinh, va tinh
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
te sac » te sach, te cac
te san » te ban, ke san, tu san
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va dinh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) OR (cam xuc)) va dinh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va dinh lai cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te san)) ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va dinh lai cua te*.