Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thieu xanh » chieu xanh, thien anh, thien danh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
pham toan » pham tuan, pham tan, phap toan
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
tam than » ban than

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 thong cong ((tam than) or (pham toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trang va thong cong ((tam than) OR (pham toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - hanh trang va thong cong ((tam than) or (pham toan)) cau*.