Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha cho cu snippets" » "phap cho cu snippets", "pha che cu snippets", "pha co cu snippets", "pha cho chu snippets", "pha cho ca snippets", "pha cho tu 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: (((("pha cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha cho cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha cho cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.