Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den sinh che snippets" » "den tinh che snippets", "men sinh che snippets", "dang sinh che snippets", "den dinh che snippets", "den chinh che snippets", "den dinh chi 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: (((("den sinh 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: (((("den sinh che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den sinh che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den sinh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.