Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhe ban can snippets" » "nhu ban can snippets", "nhat ban can snippets", "khoe ban can snippets", "nhe ban dan snippets", "nhe ban hang snippets", "nhe ban hanh 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: (((("nhe ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhe ban can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhe ban can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhe ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.