Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thieu xanh » chieu xanh, thien anh, thien danh
thang cong » thanh cong, thang long, thong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
ban thanh » ban hanh, ban hang
trang va » tran van, hang va
va thang » van thang, va thanh, va thong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - hanh trang va thang cong ((tinh toan) or (ban thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trang va thang cong ((tinh toan) OR (ban thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh trang va thang cong ((tinh toan) or (ban thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh trang va thang cong ((tinh toan) or (ban thanh)) cau*.