Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
nhung cong » dung cong, thong cong, hang cong
thanh phan » thanh pho, thanh san, thanh toan
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
phan can » phan cang, phan van, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh tranh cua nhung cong thanh phan can~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh cua nhung cong thanh phan can*.