Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
dung huong » dung thuong, dung phuong, dung luong
dong huong » dong thuong, dong duong, cong huong
doi chieu » doc hieu, doi chi, ho chieu
toan cao » toan ban, toan tap

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 - hanh trinh quan ((dung huong) or (dong huong)) tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh quan ((dung huong) OR (dong huong)) tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh quan ((dung huong) or (dong huong)) tinh toan cao*.