Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc cac cuu snippets" » "duoc cac cuu snippets", "luoc cac cuu snippets", "quoc cao cuu snippets", "quoc cap cuu snippets", "quoc cac cau snippets", "quoc cac chu 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 cuu 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 cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc cac cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc cac cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.