Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban pha con snippets" » "ban phap con snippets", "ban nha con snippets", "ban ha con snippets", "ban phai con snippets", "ban phau con snippets", "ban pha co 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: (((("ban pha con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban pha con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban pha con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban pha con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.