Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
tuc va » thuc va, truc va, duc va
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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