Perhaps you should try some spelling variations:
nghiep thong » nghiep trong, nghe thong, nghiep thanh
thanh trong » thanh trung, tranh trong, hanh trong
hiep thong » tiep thuong, he thong, vien thong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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 tinh - thanh trong ((hiep thong) or (nghiep thong)) cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh trong ((hiep thong) OR (nghiep thong)) cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh trong ((hiep thong) or (nghiep thong)) cong tan tran ban*.