Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong may tu slippers" » "cong xay tu slippers", "cong ma tu slippers", "cong hay tu slippers", "cong tay tu slippers", "cong may thuy slippers", "cong may tu slippery", "cong may tu grippers"
"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: (((("python using java snippets") or ("cong may tu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong may tu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong may tu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong may tu slippers"))) or ("locating bug code snippets"))*.