Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
chua xang » chuc nang, chu bang, chua dong
chua nang » chuc nang, kha nang, cuu nang
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
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: ho chieu xanh - hanh trang ((chua xang) OR (chua nang)) cong ban toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh trang ((chua xang) OR (chua nang)) cong ban toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trang ((chua xang) OR (chua nang)) cong ban toan cao*.