Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc lich ho snippets" » "hoa lich ho snippets", "hoc kinh ho snippets", "hoc tich ho snippets", "hoc dich ho snippets", "hoc linh ho 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 lich 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: (((("hoc lich ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc lich ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc lich ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.