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