Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
chua xang » chua nang, chuc nang, chu bang
cong dang » cong dong, cong dan, cong dung
dang thai » dang thi, dang hai, dang khai
kha nang » phap nang, ky nang, ki nang
thai cao » tai cao, thoai cac, thuat cao

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) OR (chieu sach)) - hanh trang ((chua xang) or (kha nang)) cong dang thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - hanh trang ((chua xang) OR (kha nang)) cong dang thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - hanh trang ((chua xang) or (kha nang)) cong dang thai cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - hanh trang ((chua xang) or (kha nang)) cong dang thai cao*.