Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
thien anh » thien danh, tien anh, thien chanh
luat tong » luat trong, luat thong, luat cong
tong cong » trong cong, cong cong, dung cong
cong san » cong tac
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: toc ((thien anh) or (thien thanh)) - hanh trinh luat tong cong san ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien anh) OR (thien thanh)) - hanh trinh luat tong cong san ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: toc ((thien anh) or (thien thanh)) - hanh trinh luat tong cong san ((toan cao) or (toan tap))*.