Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dua can snippets" » "hoc cua can snippets", "hoc duc can snippets", "hoc lua can snippets", "hoc duy can snippets", "hoc dua ban 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: (((("hoc dua 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: (((("hoc dua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.