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

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