Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bach lua slippers" » "thi bich lua slippers", "thi hanh lua slippers", "thi anh lua slippers", "thi bach qua slippers", "thi sach luan slippers", "thi bach xuan slippers", "thi bach lua slippery", "thi bach lua 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: (((("thi bach lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi bach lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bach lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bach lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.