Perhaps you should try some spelling variations:
luat duoc » luat tuc
thien van » thi van
lam duoc » nam duoc, lam thuoc, tao duoc
te sach » toc sach
va hang » van hang, va nang, va lang
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
va cua » va chua, via cua, ca cua

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