Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
cap nhung » cam nhung, vap nhung, dap nhung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh 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 ((hien hanh) or (chieu xanh)) - ((thanh tung) OR (thanh cong)) cap nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (chieu xanh)) - ((thanh tung) OR (thanh cong)) cap nhung cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien hanh) or (chieu xanh)) - ((thanh tung) OR (thanh cong)) cap nhung cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (chieu xanh)) - ((thanh tung) OR (thanh cong)) cap nhung cong manh toan cau*.