Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"che van hanh snippets" » "che van thanh snippets", "che ban hanh snippets", "che van anh snippets", "chu van hanh snippets", "che va hanh snippets", "chi van hanh snippets", "che van hanh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("che van hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che van hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che van hanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che van hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.