Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc nhanh du snippets" » "hoc nganh du snippets", "hoc phan du snippets", "hoc nhanh tu snippets", "hoc nhanh ngu 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 nhanh du 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 nhanh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc nhanh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc nhanh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.