Perhaps you should try some spelling variations:
sach hoi » sach doi, sach moi, cach thoi
nang mai » nang ma, nang tai, lang mai
cao xuc » cam xuc, cao duc, cao suc
hang di » hang doi, hang dien, hang dich
hang vi » hang va, hanh vi, khang voi
xuc ban » duc ban, cuc ban, quoc ban
cua tuc » cua duc, cua tu, cua thuoc
sach lo » sach dao, sach doi, sach moi
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
va cao » va cac, va co, va dao

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 lo) OR (sach hoi)) nang mai hoi. hieu va cao xuc ban ((hang vi) or (hang di)) cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach lo) OR (sach hoi)) nang mai hoi. hieu va cao xuc ban ((hang vi) OR (hang di)) cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach lo) OR (sach hoi)) nang mai hoi. hieu va cao xuc ban ((hang vi) or (hang di)) cua tuc".
• Adding a wildcard symbol may retrieve word variants: tu ((sach lo) OR (sach hoi)) nang mai hoi. hieu va cao xuc ban ((hang vi) or (hang di)) cua tuc*.