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