Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, cay thuoc
gianh lai » gian lan
nha thuoc » nha nuoc, nhan thuc, nha hoc
sang tai » hang tai, sang tao, tang tai
va gianh » va gian, van giang, va giai
cua tre » cua te, cuu tre, cua triet
lai cua » dai cua, hai cua, lai chau
tai hoi » tai khoi, dai hoi, tai hai
hieu ve » hieu va, hieu van
ky sang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
te sac » te sach, te cac, te 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: te sac ky sang tai hoi. hieu ve ((((nam thuoc) OR (nha thuoc))) OR (cam xuc)) va gianh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky sang tai hoi. hieu ve ((((nam thuoc) OR (nha thuoc))) or (cam xuc)) va gianh lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sac ky sang tai hoi. hieu ve ((((nam thuoc) OR (nha thuoc))) or (cam xuc)) va gianh lai cua tre*.