Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chi dan slippers" » "hoc chia dan slippers", "hoc cho dan slippers", "hoc chu dan slippers", "hoc choi dan slippers", "hoc chi van slippers", "hoc thi dan slippers", "hoc chi dan slippery", "hoc chi dan 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 chi dan 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 chi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.