Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » thong cong, hang cong, nhung don
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
phan can » phan cang, phan van, phan lan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - canh tranh cua ((nhung cong) OR (dung cong)) trinh ((phan can) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh cua ((nhung cong) OR (dung cong)) trinh ((phan can) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh tranh cua ((nhung cong) OR (dung cong)) trinh ((phan can) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh cua ((nhung cong) OR (dung cong)) trinh ((phan can) or (phan cac))*.