Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, chinh cau

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 - canh trinh va thong cong dan ((chan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh trinh va thong cong dan ((chan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh trinh va thong cong dan ((chan cau) or (phan tu))*.