Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"liu dong doi snippets" » "luu dong doi snippets", "lip dong doi snippets", "chiu dong doi snippets", "liu duong doi snippets", "liu dung doi snippets", "liu dong 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: (((("liu dong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("liu dong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( liu dong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("liu dong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.