Perhaps you should try some spelling variations:
sach hay » sach han, sach ha, sach nay
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac luc » cau luc, coc luc, cac nuoc
va lanh » va lang, va danh, va hanh
dao cua » dai cua, day cua, dan cua
cua tuc » cua duc, cua tu, cua thuoc
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va

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 hay) or (sach ty))) or (sac ky)) nang xa hoi. hieu va cac luc va lanh dao cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((((sach hay) OR (sach ty))) OR (sac ky)) nang xa hoi. hieu va cac luc va lanh dao cua tuc.
• Adding a wildcard symbol may retrieve word variants: thu ((((sach hay) or (sach ty))) or (sac ky)) nang xa hoi. hieu va cac luc va lanh dao cua tuc*.