Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
luan phong » luan phuong, xuan phuong, van phong
phong cong » phong chong, thong cong, chong cong
chau tinh » cuu tinh, ha tinh, cua tinh
cong san » cong tac
than cau » phan cau, thanh chau, thanh mau
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh trinh luan phong cong san ((((than cau) OR (toan cau))) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - canh trinh luan phong cong san ((((than cau) OR (toan cau))) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - canh trinh luan phong cong san ((((than cau) OR (toan cau))) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh trinh luan phong cong san ((((than cau) OR (toan cau))) or (than cap))*.