Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben tre cho snippets" » "ben te cho snippets", "ben tra cho snippets", "ben trien cho snippets", "bien tre cho snippets", "been tre cho snippets", "benh tre cho 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: (((("ben tre cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben tre cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben tre cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben tre cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.