Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
hang hoi » hang hoa, hang hai, hang doi
thi nang » thi cong, ki nang, thi hanh
so sach » so sanh, co sach, hoc sach
hoi cua » hoi chuc
va hang » van hang, va nang, va lang
chuc va » thuc va, thuc vat
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
bo sach » co sach, hoc sach
ma hoi » xa hoi, ma hoa, me hoi
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 (bo sach)) thi nang ((ma hoi) or (mai hoi)). hieu va pham chuc va hang hoi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) thi nang ((ma hoi) OR (mai hoi)). hieu va pham chuc va hang hoi cua te.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (bo sach)) thi nang ((ma hoi) or (mai hoi)). hieu va pham chuc va hang hoi cua te*.