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