Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
khong dien » phong dien, luong dien, thong dieu
thong dien » thong dieu, thong tin, thong viet
canh manh » lanh manh, canh tranh, cach mang
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
nong nen » trong nen, khong nen, nhung nen

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 - canh manh cua cong ((nong nen) or (((khong dien) OR (thong dien)))) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh manh cua cong ((nong nen) OR (((khong dien) OR (thong dien)))) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh manh cua cong ((nong nen) or (((khong dien) OR (thong dien)))) van ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh manh cua cong ((nong nen) or (((khong dien) OR (thong dien)))) van ban*.