Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
dong trinh » cong trinh, dong tinh, dong tranh
trinh toan » tinh toan, thanh toan, trinh han
tranh cua » doanh cua, manh cua
toan cao » toan ban, toan tap

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