Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc xa don snippets" » "tuc xa dong snippets", "tuc la don snippets", "tuc ba don snippets", "thuc xa don snippets", "truc xa don 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: (((("tuc xa don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuc xa don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc xa don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc xa don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.