Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chat da snippets" » "hoc phat da snippets", "hoc cao da snippets", "hoc phan da snippets", "hoc chat va snippets", "hoc chat di snippets", "hoc chat 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 chat da 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 chat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.