Perhaps you should try some spelling variations:
chieu xanh » chieu sang, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((chieu xanh) or (chieu sach))) or (chieu tinh)) - hanh trang va nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu sach))) OR (chieu tinh)) - hanh trang va nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (chieu sach))) or (chieu tinh)) - hanh trang va nhung cong dan toan ban*.