Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
quan trong » gian trong
lang quan » nang quan, tang quan, hang quan
nang phan » nang thanh, nang quan, dung phan
nang phat » nang suat, van phat

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)) - nhanh lang quan trong cong ((nang phan) or (nang phat)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - nhanh lang quan trong cong ((nang phan) OR (nang phat)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sach)) - nhanh lang quan trong cong ((nang phan) or (nang phat)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sach)) - nhanh lang quan trong cong ((nang phan) or (nang phat)) tap*.