Perhaps you should try some spelling variations:
rptas » ptas, rtas, rpbas, rptask, rptaps, rpptas
rptask » ptask, rtask, rpbask, rptaskk, rptapsk, rpptask
tas » task, taps, ptas
pas » past, pays, pads
pass » pasts, payss, padss, past, mass, bass
pasta » pastta, paysta, padsta, past
type » types

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((rptas or ((tas or ((pas OR pass) or pasta)) or rptask)) or type) or ios)-ibg books series.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rptas OR ((tas OR ((pas OR pass) OR pasta)) OR rptask)) OR type) OR ios)-ibg books series.*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rptas or ((tas or ((pas OR pass) or pasta)) or rptask)) or type) or ios)-ibg books series.*".