Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sach » chinh sach, chiet tach, chieu sang
cuong quan » luong quan, vuong quan, luong quang
chau tinh » cuu tinh, ha tinh, cua tinh
trinh cua » tinh cua, trinh luat, trinh quan
cong quan » cong quang, tong quan, hong quan
cua chu » sua chua

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 sach) or (chau tinh)) - hanh trinh cua cong ((cong quan) OR (cuong quan)) cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chau tinh)) - hanh trinh cua cong ((cong quan) OR (cuong quan)) cua chu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chau tinh)) - hanh trinh cua cong ((cong quan) OR (cuong quan)) cua chu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chau tinh)) - hanh trinh cua cong ((cong quan) OR (cuong quan)) cua chu*.