are my gre and toefl scores low?

My GRE score-294 (quant-154,verbal-140).TOEFL score-84(reading-17,listening-20,speaking-26,writing-21).acads-83% and a paper published by elsevier.can i have funding in any universities for MS in US? do i have any chance of getting assistant ship in the university for my speaking score on toefl? with my scores can i get into a good university? or should i retake both my exams?(even though i do’nt have a chance of retaking).I am applying for fall-2015 in US.Please any suggestions?