Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong ngang » cong nhan, cong quang, cong lang
ngang than » nganh thanh, sang than, nang thanh
cua trong » cua truong, cua trung, qua trong
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, phan cau, than cap

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 xanh - ((thanh tung) or (thanh cong)) cua trong cong ngang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((thanh tung) OR (thanh cong)) cua trong cong ngang than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((thanh tung) or (thanh cong)) cua trong cong ngang than cau*.