Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
thuoc ma » hoc ma, duoc ma
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
ma hanh » va hanh, da hanh, na hanh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
vi cuu » vi luu, vinh cuu

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 y nang xa hoi. ((lieu va) or (((thien van) or (thi van)))) nam thuoc ma hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. ((lieu va) OR (((thien van) OR (thi van)))) nam thuoc ma hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. ((lieu va) or (((thien van) or (thi van)))) nam thuoc ma hanh vi cuu tre*.