Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
luat bang » luat bong, luat quang, thuat bang
luat ban » luat bao, luat dan, luat bat
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cao » toan cao, tao cao, tay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (theo tieu)) xanh - hanh trinh ((luat bang) OR (luat ban)) cong van tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo tieu)) xanh - hanh trinh ((luat bang) OR (luat ban)) cong van tan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo tieu)) xanh - hanh trinh ((luat bang) OR (luat ban)) cong van tan cao".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo tieu)) xanh - hanh trinh ((luat bang) OR (luat ban)) cong van tan cao*.