Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang 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: theo tieu xanh - anh dang cua ((nhung cong) or (hang cong)) bai ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh dang cua ((nhung cong) OR (hang cong)) bai ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - anh dang cua ((nhung cong) or (hang cong)) bai ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh dang cua ((nhung cong) or (hang cong)) bai ((toan cau) OR (toan tap))*.