Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kham pha don snippets" » "kham phan dong snippets", "kham pham dong snippets", "kham phap dong snippets", "pham pha don snippets", "khac pha don snippets", "khai pha don 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: (((("kham pha don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kham pha don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham pha don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham pha don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.