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, ha tinh, cua tinh
cong lang » cong vang, cong luong, cong quang
tang ca » tang cua, hang ca, tang ma
tan ca » tan cua, dan ca, tan ha
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)) - canh trinh luat thuong cong lang ((tan ca) OR (tang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chau tinh)) - canh trinh luat thuong cong lang ((tan ca) OR (tang ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chau tinh)) - canh trinh luat thuong cong lang ((tan ca) OR (tang ca))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chau tinh)) - canh trinh luat thuong cong lang ((tan ca) OR (tang ca))*.