Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thu sach » tu sach, thuat sach, thuoc sach
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
nang xa » nang x, lang xa, mang xa
ca tren » cau tren, cu tren, la tren
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
hai ca » hai cua, hai ba, bai ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y ((nang xa) or (nang ma)) hoi. lieu va cham ((luc va) OR (tuc va)) thanh hai ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y ((nang xa) OR (nang ma)) hoi. lieu va cham ((luc va) OR (tuc va)) thanh hai ca tren*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y ((nang xa) or (nang ma)) hoi. lieu va cham ((luc va) OR (tuc va)) thanh hai ca tren*".