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