Perhaps you should try some spelling variations:
chung tuong » chung thong, nhung tuong, chuong duong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh han » trinh quan
han chung » phan chung, han chang, van chuong
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh trinh han chung tuong ((dan than) or (tinh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh trinh han chung tuong ((dan than) OR (tinh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh trinh han chung tuong ((dan than) or (tinh toan)) tap*.