Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat vung » luat chung, luat quang, luat huong
trong van » trong cac
duong van » duong va, luong va, dang van
chi sach » chinh sach, chieu sach, co sach
doi chi » doi khi
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - hanh trinh luat vung ((trong van) or (duong van)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh trinh luat vung ((trong van) OR (duong van)) tan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - hanh trinh luat vung ((trong van) or (duong van)) tan cau*.