Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trong » hanh trang, anh trong, hinh trong
quang dung » quang trung, ung dung, cuong dung
trong quan » thong quan, tong quan, thong quang
hoc chieu » hoc thieu, ho chieu, hoc hien
qua dung » qua song, qua cong, duc dung
quan van » luan van, quan va, quan luan

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 - hanh trong ((((qua dung) OR (su dung))) or (quang dung)) trong quan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trong ((((qua dung) OR (su dung))) OR (quang dung)) trong quan van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh trong ((((qua dung) OR (su dung))) or (quang dung)) trong quan van ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trong ((((qua dung) OR (su dung))) or (quang dung)) trong quan van ban*.