Perhaps you should try some spelling variations:
lam thuoc » nam thuoc, am thuc, cay thuoc
lang thai » lang chai, dang thai, lang hai
thien van » thi van
lang tai » hang tai, tang tai, sang tai
thuoc va » thuc va, thuoc ma, thuong va
te sach » toc sach
van lam » van nam
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
xang xa » mang xa, ang xa, dang xay
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty ((xang xa) or (lang xa)) hoi. thien van lam thuoc va ((lang tai) OR (lang thai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((xang xa) OR (lang xa)) hoi. thien van lam thuoc va ((lang tai) OR (lang thai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((xang xa) or (lang xa)) hoi. thien van lam thuoc va ((lang tai) OR (lang thai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((xang xa) or (lang xa)) hoi. thien van lam thuoc va ((lang tai) OR (lang thai)) cua tre*.