Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan do co snippets" » "ban do co snippets", "van do co snippets", "lan o co snippets", "lan do cao snippets", "lan vo co snippets", "lan do 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: (((("lan do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan do co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan do co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan do co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.