Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc cac di snippets" » "duoc cac di snippets", "luoc cac di snippets", "quoc cao di snippets", "quoc cac dai snippets", "quoc cac dia snippets", "quoc cac doi 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: (((("quoc cac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc cac di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc cac di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc cac di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.