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