Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
khong cong » thong cong, khong cang, chong cong
hanh mang » nhanh mang, hanh trang, nhanh lang
hoc khong » hoa khong, hoc hong, khoi khong
san thanh » ban thanh, van thanh, son thanh
thanh tai » thanh hai, thanh toan, doanh tai
mang hoc » nang hoc, bang hoc, mang loc
cong san » 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: theo ((chieu xanh) or (chieu sach)) - hanh mang hoc khong cong san thanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh mang hoc khong cong san thanh tai.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh mang hoc khong cong san thanh tai*.