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