Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
trinh cua » tinh cua, trinh luat, trinh quan
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: hoc ((((chieu xanh) or (nhieu tang))) or (chieu sach)) - hanh trinh cua nhung cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (nhieu tang))) OR (chieu sach)) - hanh trinh cua nhung cong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (nhieu tang))) or (chieu sach)) - hanh trinh cua nhung cong trinh toan ban*.