Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
xuan thuong » xuan truong, xuat thuong, xuan huong
canh tran » canh tranh, hanh trang, banh trang
tran xuan » tran quang, tran van
cong luan » tong luan, cong tuan, dong luan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - canh tran xuan thuong cong luan van ban~.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh tran xuan thuong cong luan van ban*.