Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh ve dk snippets" » "hanh vi dk snippets", "hanh va dk snippets", "hanh kem dk snippets", "hanh ve du snippets", "hanh ve do 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: (((("hanh ve dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh ve dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh ve dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh ve dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.