Perhaps you should try some spelling variations:
phuong manh » phuong anh, phuong danh, phuong hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh binh » thai binh, than kinh, tinh binh
phung manh » hung manh, nhung manh, phung minh
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((canh tranh) or (thanh binh)) va nhung ((phuong manh) OR (phung manh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((canh tranh) OR (thanh binh)) va nhung ((phuong manh) OR (phung manh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((canh tranh) or (thanh binh)) va nhung ((phuong manh) OR (phung manh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((canh tranh) or (thanh binh)) va nhung ((phuong manh) OR (phung manh)) toan tap*.