Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi can chan snippets" » "moi dan chan snippets", "moi cam chan snippets", "moi ban chan snippets", "voi can chan snippets", "loi can chan 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: (((("moi can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi can chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi can chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.