Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha thi dan slippers" » "pham thi dan slippers", "phan thi dan slippers", "phap thi dan slippers", "pha thi doan slippers", "pha thi lan slippers", "pha thi dai slippers", "pha thi dan slippery", "pha thi 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: (((("pha thi 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: (((("pha thi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha thi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha thi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.