Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
thuat cao » thuat co, thuat bao, thuat cam
va thuat » ky thuat, ki thuat, va thuc
cong va » dong va, cong ha, cong tac

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) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong va thuat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong va thuat cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong va thuat cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua nhung cong va thuat cao*.