Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: hoc ((((chieu xanh) or (hieu manh))) or (chieu sang)) - canh tranh va thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - canh tranh va thong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (hieu manh))) or (chieu sang)) - canh tranh va thong cong tac toan cau*.