Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc ha can snippets" » "thu ha can snippets", "thuc va can snippets", "thuc hanh can snippets", "thuc hau can snippets", "thuc ha canh snippets", "thuc ha van 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: (((("thuc ha 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: (((("thuc ha can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc ha can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.