Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap doc hong snippets" » "lap do hong snippets", "lap duc hong snippets", "lap hoc hong snippets", "lap doi hong snippets", "lap dong hong snippets", "phap doc hong 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: (((("lap doc hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap doc hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap doc hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap doc hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.