Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long ve mot snippets" » "luong va mot snippets", "duong ve mot snippets", "long va mot snippets", "long ve moi snippets", "long vien mot 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 ve mot 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 ve mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long ve mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long ve mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.