Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac di toi snippets" » "cac dai toi snippets", "cac dia toi snippets", "cac doi toi snippets", "cac di hoi snippets", "cac di roi 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: (((("cac di toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac di toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac di toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac di toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.