Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"si hang lan snippets" » "si hang luan snippets", "si hoang lan snippets", "si hang ban snippets", "si hung lan snippets", "si rang lan snippets", "thi hang lan snippets", "si hang lan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("si hang lan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("si hang lan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( si hang lan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("si hang lan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.