Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cau tren » cu tren, dau tren, ca tren
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
cua tre » cua te, cua triet, dua tren
cuu tre » cau treo
tu sach » thu sach, su sach, te sach
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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 tu nang x ho. hieu va cam tuc va thanh lai ((cua tre) or (((cuu tre) OR (cau tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang x ho. hieu va cam tuc va thanh lai ((cua tre) OR (((cuu tre) OR (cau tren)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu nang x ho. hieu va cam tuc va thanh lai ((cua tre) or (((cuu tre) OR (cau tren))))".
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang x ho. hieu va cam tuc va thanh lai ((cua tre) or (((cuu tre) OR (cau tren))))*.