Perhaps you should try some spelling variations:
xay thanh » day thanh, giay thanh, ngay thanh
thanh hai » thanh phan, thanh hoa, thanh san
sach thu » sach thue, sach thieu, sach tham
thuc xay » thuc day, tuc xay, thuat xay
ve cham » va cham, ve chat, vu cham
hai cuu » hai cua, hai chu, hai cuc
ve nham » ve nha
sach ty » sach y, sach tu, xach tay
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) OR (sach thu)) nang xa hoi. hieu ((ve nham) or (ve cham)) thuc xay thanh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach thu)) nang xa hoi. hieu ((ve nham) OR (ve cham)) thuc xay thanh hai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach thu)) nang xa hoi. hieu ((ve nham) or (ve cham)) thuc xay thanh hai cuu tre".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach thu)) nang xa hoi. hieu ((ve nham) or (ve cham)) thuc xay thanh hai cuu tre*.