Perhaps you should try some spelling variations:
complaint control » compliant control (Expand search), company control (Expand search), coolant control (Expand search)
usando conceitos » utilizando conceitos (Expand search)
conceitos python » conceituais python (Expand search), conceitos action (Expand search), conceitos precon (Expand search)
and complaint » and complaints (Expand search), and complement (Expand search), the complaint (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
modes and » models and (Expand search), model and (Expand search), mode and (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( modes AND complaint control program ) OR ( usando conceitos python python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modes and complaint control program ) OR ( usando conceitos python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( modes and complaint control program ) OR ( usando conceitos python python programming ))*.