Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cong ngang » cong nhan, cong quang, cong lang
ngang tuan » quang tuan, hoang tuan, nganh toan
tram van » tam van, trang van, tranh van
tran van » luan van
tuan ban » tuan bang, toan ban, luan ban
thai va » thai van
va tinh » may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: thai va tinh - hanh ((tram van) OR (tran van)) thuong cong ngang tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thai va tinh - hanh ((tram van) OR (tran van)) thuong cong ngang tuan ban*".