Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
cua phuong » cuu phuong, cuc phuong, luan phuong
thien anh » thien danh, tien anh, thien thanh
tranh cua » doanh cua, manh cua
phong van » phung van, phong va, hong van
thong van » trong van, thong va, thong quan
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: hoc ((thieu xanh) OR (thien anh)) - canh tranh cua phuong ((phong van) or (thong van)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - canh tranh cua phuong ((phong van) OR (thong van)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - canh tranh cua phuong ((phong van) or (thong van)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - canh tranh cua phuong ((phong van) or (thong van)) toan tap*.