Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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 (((chieu sach) OR (chieu sang)))) - canh tranh va nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sach) OR (chieu sang)))) - canh tranh va nhung cong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu sach) OR (chieu sang)))) - canh tranh va nhung cong san phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sach) OR (chieu sang)))) - canh tranh va nhung cong san phan cau*.