Perhaps you should try some spelling variations:
hien hanh » dieu hanh
thanh son » thanh san, thanh cong, thanh toan
cong vang » cong lang, cong quang, cong ngang
va thong » va thuong, va phuong, he thong
cong van » cong san, song van, cong tan
phan lap » phan dau
son va » song va, son la, lon va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - thanh son va thong ((cong van) OR (cong vang)) phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - thanh son va thong ((cong van) OR (cong vang)) phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh son va thong ((cong van) OR (cong vang)) phan lap*.