Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chiet tach » chieu sach
trinh chat » tinh chat, trinh luat, trinh han
chat nhung » chat ngung, thuat nhung, cua nhung
nhung cong » dung cong, thong cong, hang cong
thien anh » thien danh, tien anh, thien thanh
thanh ban » thanh san, thanh van, thanh bai
thanh bac » nhanh bac, thanh bai, thanh san
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (chiet tach)) - hanh trinh chat nhung cong san ((thanh ban) or (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (chiet tach)) - hanh trinh chat nhung cong san ((thanh ban) OR (thanh bac)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (chiet tach)) - hanh trinh chat nhung cong san ((thanh ban) or (thanh bac))*.