Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
duong manh » duong van
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, hoc hien, doc hieu
toan cau » toan cao, toan ban, toan tai
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 hieu manh - canh tranh cua thong ((phuong danh) or (duong manh)) ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh tranh cua thong ((phuong danh) OR (duong manh)) ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - canh tranh cua thong ((phuong danh) or (duong manh)) ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh tranh cua thong ((phuong danh) or (duong manh)) ((toan cau) OR (toan tap))*.