Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
cau treo » cau theo, cau tren, cau triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
thuc va » thuc vat, thuc dan
hanh va » hang va, hanh vi
va cau » van cau, va cac, va dau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang x hoi. hieu qua quan ((thuc va) OR (thuc day)) hanh va cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang x hoi. hieu qua quan ((thuc va) OR (thuc day)) hanh va cau treo".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu qua quan ((thuc va) OR (thuc day)) hanh va cau treo*.