Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung quang » dung quan, luong quang, dung luan
dang quang » nang quan, dang hung
trung cap » truong cao, trung tam
trung hoc » trung quoc
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh ((trung cap) or (trung hoc)) nang cong ((dung quang) OR (dang quang)) nam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((trung cap) OR (trung hoc)) nang cong ((dung quang) OR (dang quang)) nam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((trung cap) or (trung hoc)) nang cong ((dung quang) OR (dang quang)) nam".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((trung cap) or (trung hoc)) nang cong ((dung quang) OR (dang quang)) nam*.