Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh den di snippets" » "hanh de di snippets", "nhanh dien di snippets", "hanh dong di snippets", "hanh dien di snippets", "hanh den do snippets", "hanh ben di 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: (((("hanh den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh den di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh den di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh den di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.