Cash-strapped Greece has not made enough progress in crunch debt talks with its European partners to unlock sorely-needed funds as part of its massive EU-IMF bailout, the bloc's Commissioner for the Euro Valdis Dombrovskis said on Friday.

"Progress in technical negotiations has not been sufficient to reach any conclusion during this Eurogroup here in Riga," Dombrovskis said as he arrived a meeting of eurozone finance ministers.