Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
dua tren » dung tren
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
tu sach » thu sach, su sach, te sach
xuc gia » duc gia, luc gia, tuc gia
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cu tren » tu tren

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 ty lang xa hoi. hieu va cac xuc gia thanh lai ((dua tren) or (((cuu tre) or (cu tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. hieu va cac xuc gia thanh lai ((dua tren) OR (((cuu tre) OR (cu tren)))).
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. hieu va cac xuc gia thanh lai ((dua tren) or (((cuu tre) or (cu tren))))*.