Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh lai lon snippets" » "hanh lam lon snippets", "hanh tai lon snippets", "thanh lap lon snippets", "hanh lai long snippets", "hanh bai lon snippets", "hanh hai long 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 lai lon 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 lai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh lai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh lai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.