Perhaps you should try some spelling variations:
"advanced modulation on python programming" » "advanced calculation on python programming" (Expand search), "advanced modulation of python programming" (Expand search), "advanced modulation in python programming" (Expand search), "advanced modulation and python programming" (Expand search), "advanced modulation _ python programming" (Expand search)
"advanced oxidation on coding program" » "advanced oxidation on cloning program" (Expand search), "advanced oxidation on loading program" (Expand search), "advanced oxidation on cooling programs" (Expand search), "advanced oxidation of coding program" (Expand search), "advanced oxidation in coding program" (Expand search), "advanced oxidation and coding program" (Expand search), "advanced oxidation non coding program" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced oxidation on coding program") OR ("advanced modulation on python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced oxidation on coding program\") OR (\"advanced modulation on python programming\"))".
• Removing quotes may allow a broader search: (( advanced oxidation on coding program ) OR ( advanced modulation on python programming )).
• Adding a wildcard symbol may retrieve word variants: (("advanced oxidation on coding program") OR ("advanced modulation on python programming"))*.