Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
doanh cua » doanh luan
dung cong » dung trong
mang cua » manh cua, dung cua, ban cua
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 - hanh ((mang cua) or (doanh cua)) ((nhung cong) OR (dung cong)) dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((mang cua) OR (doanh cua)) ((nhung cong) OR (dung cong)) dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((mang cua) or (doanh cua)) ((nhung cong) OR (dung cong)) dan chan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((mang cua) or (doanh cua)) ((nhung cong) OR (dung cong)) dan chan cau*.