Perhaps you should try some spelling variations:
tay quang » tac quang, tai quang, tao quang
tay lang » tai lang, tay tang, tham lang
thanh ve » hanh ve, thanh va, thanh vien
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
luu tre » luu tru, cuu tre, luy tre
va cham » va chat, va tham
xuc va » tuc va, luc va, xac va
ve luu » ke luu, vi luu

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 va cham ((xuc va) or (duc va)) thanh ve luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tay lang) OR (tay quang)) xa hoi. hieu va cham ((xuc va) OR (duc va)) thanh ve luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tay lang) OR (tay quang)) xa hoi. hieu va cham ((xuc va) or (duc va)) thanh ve luu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((tay lang) OR (tay quang)) xa hoi. hieu va cham ((xuc va) or (duc va)) thanh ve luu tre*.