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