Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long quan da snippets" » "luong quan da snippets", "long quang da snippets", "tong quan da snippets", "long quan dac snippets", "long quan ha snippets", "long quan va 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: (((("long quan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long quan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long quan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long quan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.