Perhaps you should try some spelling variations:
pham chuc » pham huu, kham chua, pham huy
thu bang » thu ban, thu hang, chu bang
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai 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 ((thu bang) or (thuc hanh)) mai hoi. hieu ve ((pham chuc) or (pham duc)) va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu bang) OR (thuc hanh)) mai hoi. hieu ve ((pham chuc) OR (pham duc)) va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ((thu bang) or (thuc hanh)) mai hoi. hieu ve ((pham chuc) or (pham duc)) va hanh vai cua te*.