Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh tao va slippers" » "hanh tai va slippers", "hanh dao va slippers", "hanh tam va slippers", "hanh tao va slippery", "hanh tao 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: (((("hanh tao 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: (((("hanh tao va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tao va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tao va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.