Perhaps you should try some spelling variations:
sach ky » sach y, sach ty, sach kem
dang xa » dang xay, lang xa, dang ha
va danh » va dinh, va dan, va hanh
tai cua » thai cua, tai cuc, dai cua
sac ky » cac ky, sai ky
qua ca » qua cac, qua cua, qua cai
ca tuc » cua tuc, va tuc
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: toc ((sach ky) OR (sac ky)) dang xa hoi. hieu qua ca tuc va danh ((tai cua) or (tri cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sac ky)) dang xa hoi. hieu qua ca tuc va danh ((tai cua) OR (tri cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ky) OR (sac ky)) dang xa hoi. hieu qua ca tuc va danh ((tai cua) or (tri cua)) te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) OR (sac ky)) dang xa hoi. hieu qua ca tuc va danh ((tai cua) or (tri cua)) te*.