Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » canh tranh, hanh chinh
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
chi tach » chiu trach, chiet tach, chi thanh
trinh va » trinh van, trinh vat, trinh ve
phan dau » phan tu, hang dau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tach - hanh trinh va thuong cong vang phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi chi tach - hanh trinh va thuong cong vang phan dau*.