Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cha me hoc snippets" » "cha te hoc snippets", "cha mo hoc snippets", "cha de hoc snippets", "chat me hoc snippets", "chua me hoc snippets", "chan me hoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cha me hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cha me hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cha me hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cha me hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.