Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
luat huong » luat thuong, suat huong, xuat thuong
cong thanh » dong thanh, cong trinh, cong tan
cong manh » cong danh, duong manh, hoang manh
chi lang » thi lan, chi van, hoi lang
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi lang - canh trinh luat huong ((cong manh) OR (cong thanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi lang - canh trinh luat huong ((cong manh) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chi lang - canh trinh luat huong ((cong manh) OR (cong thanh)) toan cau*.