Perhaps you should try some spelling variations:
chat duc » chat xuc, chat doc, chet duoc
hang doi » hang loi, huong doi, hang tai
dang van » hoang van, hang va
te sach » toc sach
hang di » hang vi, hang dien, hang dich
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((nang xa) or (dang van)) hoi. hieu va chat duc va ((hang di) OR (hang doi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (dang van)) hoi. hieu va chat duc va ((hang di) OR (hang doi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (dang van)) hoi. hieu va chat duc va ((hang di) OR (hang doi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (dang van)) hoi. hieu va chat duc va ((hang di) OR (hang doi)) cua tre*.