Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tich co snippets" » "chu thich co snippets", "thu tich co snippets", "co tich co snippets", "chu tich so snippets", "chu trinh co snippets", "chu tich bao 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: (((("chu tich 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: (((("chu tich co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tich co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tich co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.