Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc hat cong snippets" » "hoc chat cong snippets", "hoc bat cong snippets", "hoc ha cong snippets", "hoc phat cong snippets", "hoc hai cong 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: (((("hoc hat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc hat cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc hat cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.