Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai sang che snippets" » "khai sang che snippets", "hai bang che snippets", "hai dang che snippets", "hai sang cho snippets", "hai han che snippets", "hai hang cho 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: (((("hai sang che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai sang che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai sang che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai sang che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.