Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
gianh lai » gian lan
va gianh » va gian, van giang, va giai
lang man » lang van, lang ban, lang mai
hieu van » hieu va, thien van, lieu va
nam duoc » da duoc, dat duoc, nam moc
cua tre » cua te, cuu tre, cua triet
ky lang » ky nang, ky dang, ky tang
man hoi » man hoai, dan hoi, van hoi
lai cua » dai cua, hai cua, lai chau
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 ky lang man hoi. hieu van ((((nam duoc) or (nam thuoc))) or (cam xuc)) va gianh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang man hoi. hieu van ((((nam duoc) OR (nam thuoc))) OR (cam xuc)) va gianh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang man hoi. hieu van ((((nam duoc) or (nam thuoc))) or (cam xuc)) va gianh lai cua tre*.