Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han ban cong snippets" » "han bang cong snippets", "han van cong snippets", "han phan cong snippets", "hang ban cong snippets", "van ban cong snippets", "can ban cong 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: (((("han ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han ban cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han ban cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.