Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac cua quan slippers" » "cac qua quan slippers", "cac cua ban slippers", "cac cua dan slippers", "cach cua quan slippers", "ca cua quan slippers", "cac cua quan slippery", "cac cua quan 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 cua quan 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 cua quan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cua quan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cua quan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.