Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do danh van slippers" » "do doanh van slippers", "do dang van slippers", "do dinh van slippers", "do sanh van slippers", "dia danh van slippers", "do danh van slippery", "do danh van 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: (((("do danh van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do danh van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do danh van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do danh van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.