Perhaps you should try some spelling variations:
tay quang » tac quang, tai quang, tao quang
tay lang » tai lang, tay tang, tham lang
tu sach » thu sach, su sach, te sach
dinh cu » dinh cuu, dinh chuc, dinh chau
danh di » danh du, xanh di, danh dien
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
am hoc » ad hoc
ve am » va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((tay lang) OR (tay quang)) xa hoi. hieu ve am hoc va ((danh di) or (dinh cu)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tay lang) OR (tay quang)) xa hoi. hieu ve am hoc va ((danh di) OR (dinh cu)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tay lang) OR (tay quang)) xa hoi. hieu ve am hoc va ((danh di) or (dinh cu)) cua tre*".