Perhaps you should try some spelling variations:
cau thuc » cau truc, cuu thuc, can thuc
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
hanh ve » hanh va, hanh kem
y lang » o lang, _ lang, tay lang
va cau » van cau, va cac, va dau
cua te » cua tu

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 y lang xa hoi. hieu va cau thuc vat ((hanh ve) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu va cau thuc vat ((hanh ve) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach y lang xa hoi. hieu va cau thuc vat ((hanh ve) or (hanh vi)) cua te*.