Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hanh trinh » canh tranh, hanh chinh
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 hach) or (chinh sach)) - hanh trinh luat dung cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien hach) OR (chinh sach)) - hanh trinh luat dung cong san ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: toc ((thien hach) or (chinh sach)) - hanh trinh luat dung cong san ((toan tai) or (toan cao))*.