Perhaps you should try some spelling variations:
developing countrie » developing countries, developing country, devloping countries
script developing » scripts developing, script development, schmidt developing
function python » function protein, function section, function persons
countrie https » countries http
python script » python scripting, python mapscript, python scikit

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

• Performing a fuzzy search may retrieve terms with similar spellings: function python script developing countrie https~.
• Adding a wildcard symbol may retrieve word variants: function python script developing countrie https*.