Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac xa chet snippets" » "cac la chet snippets", "cac cai chet snippets", "cac va chiet snippets", "tac xa chet snippets", "cac ba chet snippets", "cac xe chet 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 xa chet 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 xa chet snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac xa chet snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac xa chet snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.