Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dung cong » dung trong
dong toan » dung toan, bong toan, cong toan
tranh va » tranh van, trang va, trinh va
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

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