Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
co sach » bo sach, cuon sach, hoc sach
chuc va » thuc va, thuc vat
phuc va » phuc vu, thuc va, thuc vat
hieu ve » hieu va, hieu van
tai hoa » tai khoa, thai hoa, thi hoa
yu hang » yu zhang, yu pang, yu wang
ve cau » ke cau, va cau, ve cac
y hang » ly hang, ty hang, _ hang
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: co sach ((y hang) or (yu hang)) tai hoa. hieu ve cau ((phuc va) or (chuc va)) hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ((y hang) OR (yu hang)) tai hoa. hieu ve cau ((phuc va) OR (chuc va)) hanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: co sach ((y hang) or (yu hang)) tai hoa. hieu ve cau ((phuc va) or (chuc va)) hanh dai cua te*.