Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
canh trinh » canh tranh, hanh trinh, canh tinh
chieu sang » chieu sach, chieu xanh, hieu lang
chau tinh » cuu tinh, cua tinh, cac tinh
cong tang » cong thang, cong tan, cong lang
tang van » dang van, hoang van, trong van
ha tinh » va tinh, may tinh
van ca » van cau, van cua, dan ca
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (((chau tinh) OR (ha tinh)))) - canh trinh luat thuong cong tang van ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (((chau tinh) OR (ha tinh)))) - canh trinh luat thuong cong tang van ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (((chau tinh) OR (ha tinh)))) - canh trinh luat thuong cong tang van ca".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (((chau tinh) OR (ha tinh)))) - canh trinh luat thuong cong tang van ca*.