Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khap su de snippets" » "phap su de snippets", "thap su de snippets", "khat sua de snippets", "khap sau de snippets", "khap shu de snippets", "khap su det 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: (((("khap su de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khap su de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khap su de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khap su de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.