Perhaps you should try some spelling variations:
thuong con » thuong dong, truong cong, thong cong
van thuong » va thuong, van chuong, van phuong
tieu sang » chieu sang, tieu dung, tiem nang
sinh trac » sinh thai, sinh thuc
tac thanh » bac thanh, cac thanh, tcc thanh
anh trac » anh tuan, anh thuc, anh ta
thanh ca » thanh cha, thanh cac, thanh ha
con tac » cong tac, con tap, can tac

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 trac) or (sinh trac)) van thuong con tac thanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((anh trac) OR (sinh trac)) van thuong con tac thanh ca*.