Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
va dauh » va danh, va doanh
sach ky » sach y, sach ty, sach kem
hieu tu » chieu tu, hieu tuc, hien tu
tu cham » toc cham, thi cham
dang xa » dang xay, lang xa, dang ha
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
va dau » va dao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) OR (sac ky)) dang xa hoi. hieu tu cham loc ((va dauh) or (va dau)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) dang xa hoi. hieu tu cham loc ((va dauh) OR (va dau)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sac ky)) dang xa hoi. hieu tu cham loc ((va dauh) or (va dau)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) OR (sac ky)) dang xa hoi. hieu tu cham loc ((va dauh) or (va dau)) vi cua tre*.