Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu xanh » chieu xanh, hieu manh, hieu nganh
luat dung » suat dung, luat chung, luat quang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao hieu xanh - hanh trinh luat dung cong tinh ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao hieu xanh - hanh trinh luat dung cong tinh ((toan cau) OR (toan ban))*".