Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon va du snippets" » "chon va du snippets", "hoan va du snippets", "hong va du snippets", "hon va dau snippets", "hon va su snippets", "hon va tu 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: (((("hon va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hon va du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon va du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.