Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc nam doi snippets" » "ngoc nam doi snippets", "hoc nam doi snippets", "oc nam doi snippets", "goc nam hoi snippets", "goc nam do snippets", "goc nam noi 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 nam doi 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 nam doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc nam doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc nam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.