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