Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho khan cu snippets" » "khoa kham cu snippets", "khoa than cu snippets", "kho khan cua snippets", "kho khang cu snippets", "kho nhan cua 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: (((("kho khan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho khan cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho khan cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho khan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.