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