Perhaps you should try some spelling variations:
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
phap lang » phap nang, phap tang, phap sang
thien van » thi van
lam thuoc » nam thuoc, am thuc, cay thuoc
thuoc va » thuc va, thuoc ma, thuong va
danh sai » dung sai, danh bat, danh dau
lang xa » lang ha, dang xay, lang van
van lam » van nam
va danh » va dinh, va dan, va hanh
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: ((thuat sach) or (thuat lanh)) phap lang xa hoi. thien van lam thuoc va danh sai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat lanh)) phap lang xa hoi. thien van lam thuoc va danh sai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (thuat lanh)) phap lang xa hoi. thien van lam thuoc va danh sai cuu tre*.