Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung manh » duong manh, dung danh, hung manh
manh toan » thanh toan, anh tuan, tinh toan
chu xanh » chu manh, chua xang, chuc danh
mang cua » manh cua, dung cua, cong cua
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chieu xanh)) - hanh ((mang cua) or (ban cua)) ung dung manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu xanh)) - hanh ((mang cua) OR (ban cua)) ung dung manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - hanh ((mang cua) or (ban cua)) ung dung manh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - hanh ((mang cua) or (ban cua)) ung dung manh toan cau*.