Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoat dong so snippets" » "hoat dong son snippets", "hoat dong co snippets", "hoat cong so snippets", "hoa dong so snippets", "hoan dong so 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: (((("hoat dong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoat dong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoat dong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoat dong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.