Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu thap so snippets" » "thu nhap so snippets", "thu thao so snippets", "thuc thai so snippets", "thu phap so snippets", "thu tap so snippets", "thu than so 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: (((("thu thap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu thap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu thap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.