Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
cao thuong » cao truong, ca thuong, cho thuong
hieu xanh » chieu xanh, hieu manh, hieu nganh
cao thong » tao thong, cao phong, giao thong
thong tan » thong than, thong tran, thong tin
doc hieu » toc thieu, hoc thieu, hoc hien
tan van » tran van, tang van, luan van

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 - thanh truong ((cao thong) or (cao thuong)) thong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh truong ((cao thong) OR (cao thuong)) thong tan van ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh truong ((cao thong) or (cao thuong)) thong tan van ban*.