Perhaps you should try some spelling variations:
lap duoc » lam duoc, lap doc, luat duoc
te sach » toc sach
sach ty » sach y, sach tu, sach thu
lang xa » dang xay, lang van
lang ha » long ha
hieu va » lieu va, hieu qua
duoc va » nuoc va, duc va, duoc ma
va hang » van hang, va nang, va lang
cua tre » cua te, cuu tre, cua triet
va lap » va dap
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) OR (lang ha)) hoi. hieu va lap duoc va hang va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((lang xa) OR (lang ha)) hoi. hieu va lap duoc va hang va cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((lang xa) OR (lang ha)) hoi. hieu va lap duoc va hang va cua tre*.