code: def _use_only_selected_terms(self, json_df):
      term_df = pd.DataFrame(
          {"term": self.scatterchartdata.terms_to_include}
      )
      return pd.merge(json_df, term_df, on="term", how="inner")
  
imports: import logging
  import sys
  import numpy
  import pandas
  from scipy.stats import rankdata
  from scattertext.PValGetter import get_p_vals
  from scattertext.Scalers import percentile_min, percentile_alphabetical
  from scattertext.ScatterChartData import ScatterChartData
  from scattertext.TermDocMatrixFilter import filter_bigrams_by_pmis, filter_out_unigrams_that_only_occur_in_one_bigram
  from scattertext.termscoring import ScaledFScore
  from scattertext.termscoring.RankDifference import RankDifference
  from scattertext.termscoring.CornerScore import CornerScore
label_desc: Use image node_id 11 for calling the ScatterChart obj's underlying member method code with example usage: obj._use_only_selected_terms(json_df) and returns: pd