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