Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, hien hanh, hieu van
manh hung » anh huong
cua thong » cua thuong, cua khong, cua tong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hung cua » huong cua, chung cua, khung cua
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 ((((hieu manh) OR (chieu xanh))) or (dieu hanh)) - manh hung cua thong cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (chieu xanh))) OR (dieu hanh)) - manh hung cua thong cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu manh) OR (chieu xanh))) or (dieu hanh)) - manh hung cua thong cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) OR (chieu xanh))) or (dieu hanh)) - manh hung cua thong cong manh toan cau*.