Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong li con snippets" » "cong li con snippets", "hong le con snippets", "thong le con snippets", "hong li cong snippets", "hong li ion snippets", "hong la con 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: (((("hong li con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong li con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong li con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong li con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.