Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan van thi slippers" » "luan van thi slippers", "lang van thi slippers", "tan van thi slippers", "lan van tai slippers", "lan dan thi slippers", "lan van thu slippers", "lan van thi slippery", "lan van thi 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: (((("lan van thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan van thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan van thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan van thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.