Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"liu jing jin snippets" » "liu jin jin snippets", "liu ming jin snippets", "liu ying jin snippets", "liu jing xing snippets", "liu jing ni snippets", "liu jing tan snippets", "liu jing jin 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: (((("python using java snippets") or ("liu jing jin snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("liu jing jin snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( liu jing jin snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("liu jing jin snippets"))) or ("locating bug code snippets"))*.