Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dung cong » dung trong
dinh cua » dinh cuu, sinh cua, dinh cu
lang van » dang van, tang van, hoang van
van hau » van ha, van hai, van dau

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 dinh cua ((nhung cong) OR (dung cong)) lang van hau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh dinh cua ((nhung cong) OR (dung cong)) lang van hau*".