Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cong ngang » cong quang, cong lang, cong nong
cong nhan » cong nhat, cong thanh, cong san
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
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 - ((hanh tranh) or (hanh trinh)) cua dong ((cong ngang) OR (cong nhan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh tranh) OR (hanh trinh)) cua dong ((cong ngang) OR (cong nhan)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh tranh) or (hanh trinh)) cua dong ((cong ngang) OR (cong nhan)) than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh tranh) or (hanh trinh)) cua dong ((cong ngang) OR (cong nhan)) than cau*.