Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
hieu manh » hieu nganh, dieu hanh, hien hanh
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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

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