Perhaps you should try some spelling variations:
thien van » thi van
toc sach » hoc sach, doc sach, thuoc sach
nam duoc » nam thuoc, da duoc, dat duoc
hang le » hoang le, tang le, hang ly
va hang » van hang, va nang, va lang
duoc va » nuoc va, duc va, duoc ma
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cua tu » cua tuc, cua su, cua cu

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