Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich va ho snippets" » "dich vu ho snippets", "tich va ho snippets", "dinh van ho snippets", "dich va hoc snippets", "dich va hoa snippets", "dich va hoi 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: (((("dich va ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich va ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich va ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich va ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.