Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
van thuong » va thuong, van chuong, van phuong
tieu sang » chieu sang, tieu dung, tiem nang
sinh trac » sinh thai, sinh thuc, anh trac
cong tac » cong ty
tac hang » tac vang, bac thang, tac chong
hang cac » hang ca, hang cau, bang cac
anh tu » anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - ((anh tu) or (sinh trac)) van thuong cong tac hang cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((anh tu) OR (sinh trac)) van thuong cong tac hang cac*.