Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
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: toc thieu xanh - hanh tranh cua ((nhung phuong) or (dung phuong)) dan ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh tranh cua ((nhung phuong) OR (dung phuong)) dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh tranh cua ((nhung phuong) or (dung phuong)) dan ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh cua ((nhung phuong) or (dung phuong)) dan ((toan cau) OR (toan tap))*.