Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan doc bo snippets" » "phan duoc bo snippets", "phan duc bo snippets", "than doc bo snippets", "phan doi bo snippets", "phan do bo snippets", "phan hoc bo 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: (((("phan doc bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan doc bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan doc bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan doc bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.