Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 - canh tranh cua nhung cong tac ((((toan cau) OR (toan ban))) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - canh tranh cua nhung cong tac ((((toan cau) OR (toan ban))) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - canh tranh cua nhung cong tac ((((toan cau) OR (toan ban))) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - canh tranh cua nhung cong tac ((((toan cau) OR (toan ban))) or (phan tu))*.