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