Perhaps you should try some spelling variations:
thuoc dang » thuoc dung, thuoc khang, thuc dan
thien van » thi van
thuc dang » thuc dan, thuc dung, thu dang
hanh dai » hanh tai, hanh dao, vanh dai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
dai cuu » dai cua, dai huu
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. thien van cam ((thuc dang) OR (thuoc dang)) hanh dai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. thien van cam ((thuc dang) OR (thuoc dang)) hanh dai cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. thien van cam ((thuc dang) OR (thuoc dang)) hanh dai cuu tre*.