Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
lan phuong » van phuong, dan phuong, lan thuong
hieu manh » hieu nganh, dieu hanh, hien hanh
anh quang » anh xquang, anh quan, nhanh quang
luan hung » luan chung, lan hung, luan ung
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
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: doc ((hieu manh) or (chieu xanh)) - anh quang ((luan hung) or (lan phuong)) cong sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu xanh)) - anh quang ((luan hung) OR (lan phuong)) cong sang than cau.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu xanh)) - anh quang ((luan hung) or (lan phuong)) cong sang than cau*.