Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
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 manh cua nhung cong trinh ((phan can) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh manh cua nhung cong trinh ((phan can) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh manh cua nhung cong trinh ((phan can) or (phan cac))*.