Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
tung ban » tuong ban, tung dan, tang 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)) - hanh trung ((cua nhung) OR (va nhung)) tung ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh trung ((cua nhung) OR (va nhung)) tung ban thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh trung ((cua nhung) OR (va nhung)) tung ban thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh trung ((cua nhung) OR (va nhung)) tung ban thanh lap*.