Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi doanh _ slippers" » "tri doanh _ slippers", "thi oanh _ slippers", "thi doan _ slippers", "thi doanh _ slippery", "thi doanh _ 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 doanh _ 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 doanh _ slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi doanh _ slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi doanh _ slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.