Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
luat ban » luat bao, luat dan, luat bat
ban cong » bang cong, van cong, phan cong
cong van » cong vang, cong san, song van
toan cao » toan ban
toan tap » toan ban

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