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