Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
pham thuong » phan thuong, pham hong
tranh pham » thanh pham, thanh phan, trinh phan
thieu danh » thien danh, tieu danh, chieu xanh
tiep danh » tieu danh, thien danh, tiep can
cong lang » cong vang, cong luong, cong quang
lang tan » lang van, lang ban, lang man
tan ca » tan cua, tang ca, dan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu danh) or (tiep danh)) - canh tranh pham thuong cong lang tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu danh) OR (tiep danh)) - canh tranh pham thuong cong lang tan ca*.