Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hong son con snippets" » "hoang son con snippets", "dong son con snippets", "hang son con snippets", "hong song con snippets", "hong son cong snippets", "hong lon 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: (((("python using java snippets") or ("hong son con 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 son con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hong son con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hong son con snippets"))) or ("locating bug code snippets"))*.