Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
vang tuan » van tuan, vong tuan, quang tuan
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
tuan cu » tuan tu, quan cua, tuan thu

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