Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hien xanh » hien hanh, hien nhanh, chieu xanh
chinh tai » chinh tri
tai nhung » thai nhung, thi nhung, tai hung
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh chinh tai nhung cong thanh phan dau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh chinh tai nhung cong thanh phan dau*.