Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh he hoi snippets" » "hanh che hoi snippets", "hanh ve hoi snippets", "hanh de hoi snippets", "hanh le hoi snippets", "hanh me hoi snippets", "hanh he moi 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 he hoi 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 he hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh he hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh he hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.