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