Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc qua cha snippets" » "goc cua cha snippets", "toc qua cha snippets", "ngoc quan cha snippets", "goc qua cham snippets", "goc qua cua snippets", "goc qua ca 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: (((("goc qua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("goc qua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc qua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc qua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.