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