Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac moi dat slippers" » "cac mon dat slippers", "cac toi dat slippers", "cac thoi dat slippers", "cac moi bat slippers", "cac hoi dat slippers", "cac moi dan slippers", "cac moi dat slippery", "cac moi dat 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: (((("cac moi dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac moi dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac moi dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac moi dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.