Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
doi chieu » doc hieu, doi chi, ho chieu
than cau » toan cau, phan cau, than cap
nang he » nang ho, nang nghe, nang hoc
tang he » tang le, tang ha, tang ho
bang he » bang khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - anh ((((nang he) OR (tang he))) or (bang he)) trong cong thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - anh ((((nang he) OR (tang he))) OR (bang he)) trong cong thanh than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - anh ((((nang he) OR (tang he))) or (bang he)) trong cong thanh than cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - anh ((((nang he) OR (tang he))) or (bang he)) trong cong thanh than cau*.