Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat quang » luat quan, xuat quang, chat quang
quang cong » quang cuong, quang dong, quang hoang
tieu sach » chieu sach, dien sach, te sach
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh trinh luat quang cong ((van toan) or (van tuan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh trinh luat quang cong ((van toan) OR (van tuan)) tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh trinh luat quang cong ((van toan) or (van tuan)) tap*.