Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
decrease yield » decreases yield (Expand search), increase yield (Expand search), increases yield (Expand search)
ratio decrease » rate decrease (Expand search), to decrease (Expand search), rats decreases (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
yield ratio » yield ratios (Expand search), yield rate (Expand search), yield retail (Expand search)
python api » python and (Expand search)

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