Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
danh viet » ninh viet, nang viet, dao viet
doc sach » hoc sach, toc sach, nuoc sach
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, tao duoc
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
sach ky » sac ky, sach y, sach ty
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: doc sach ky lang xa hoi. hieu van ((lam duoc) or (lam thuoc)) va ((danh viet) OR (anh viet)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach ky lang xa hoi. hieu van ((lam duoc) OR (lam thuoc)) va ((danh viet) OR (anh viet)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach ky lang xa hoi. hieu van ((lam duoc) or (lam thuoc)) va ((danh viet) OR (anh viet)) cua te".
• Adding a wildcard symbol may retrieve word variants: doc sach ky lang xa hoi. hieu van ((lam duoc) or (lam thuoc)) va ((danh viet) OR (anh viet)) cua te*.