Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
toan ban » van ban

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 sang) or (((chau tinh) or (diep tinh)))) - canh tranh cua nhung cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (((chau tinh) OR (diep tinh)))) - canh tranh cua nhung cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (((chau tinh) or (diep tinh)))) - canh tranh cua nhung cong trinh toan ban*.