Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
chinh luan » chinh ngan, binh luan
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
cong san » cong tac
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu
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 - hanh ((chinh luan) OR (trinh luan)) dung cong san ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((chinh luan) OR (trinh luan)) dung cong san ((than cau) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - hanh ((chinh luan) OR (trinh luan)) dung cong san ((than cau) or (phan cau))*".