Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc tap do snippets" » "tuc tap do snippets", "thuc thai do snippets", "thuc vat do snippets", "thuc tap dao snippets", "thuc tap don snippets", "thuc tap co 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: (((("thuc tap 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: (((("thuc tap do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc tap do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc tap do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.