Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh tai
thanh loi » thanh hoa, thanh hai, thanh lap
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
cua tre » cua te, cua triet, dua tren
tu sach » thu sach, su sach, te sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam

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