Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thuat bang » thuat ban, thuat mang, thuat trang
thuat nang » thuat mang, thuat trang, thuat nganh
hien sach » dien sach, kien sach, thien hach
van quang » van quan, tran quang, van tuan
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - hanh trinh ((thuat bang) or (thuat nang)) cong van quang nam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh trinh ((thuat bang) OR (thuat nang)) cong van quang nam.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh trinh ((thuat bang) or (thuat nang)) cong van quang nam*.