Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu can cuc snippets" » "dieu hanh cuc snippets", "tiep can cuc snippets", "dieu cua cuc snippets", "dieu van cuc snippets", "dieu canh chuc snippets", "dieu can thuc 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: (((("dieu can cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu can cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu can cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu can cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.