Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, thien anh, thien danh
trinh tran » trinh trang, trinh toan, trinh tren
trong minh » truong minh, trong kinh, thong minh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tran gian » tran giang, tran gia, trang giai
minh toan » tinh toan, manh toan, minh tuan
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 ((thieu xanh) or (hieu manh)) - hanh trinh tran gian trong minh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh tran gian trong minh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hanh trinh tran gian trong minh toan cao*.