Perhaps you should try some spelling variations:
phan chuc » pham chuc, phan khuc, phan thuc
thi cong » tai cong, thien cong
cong mai » chong mai, cong hai, cong ma
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
so sach » so sanh, bo sach, hoc sach
ve phan » va phan, ke phan, ve phat
chuc va » thuc va, thuc vat
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
co sach » bo sach, cuon sach, hoc sach
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: ((so sach) or (co sach)) thi cong mai hoi. hieu ve phan chuc va ((hanh vai) OR (hanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) thi cong mai hoi. hieu ve phan chuc va ((hanh vai) OR (hanh tai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (co sach)) thi cong mai hoi. hieu ve phan chuc va ((hanh vai) OR (hanh tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (co sach)) thi cong mai hoi. hieu ve phan chuc va ((hanh vai) OR (hanh tai)) cua te*.