Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hanh phan » thanh phan, anh phan, hanh nhan
cua nhung » va nhung
trinh han » trinh quan
hanh han » hanh nhan, hanh san, anh han
han ban » hang ban, van ban, can ban

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

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