Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dia chat cho snippets" » "gia chat cho snippets", "dinh chat cho snippets", "dia chi cho snippets", "dia chat co snippets", "dia chat thom snippets", "dia cap cho 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: (((("dia chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dia chat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dia chat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dia chat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.