Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi lan 27 slippers" » "thi hanh 27 slippers", "thi nang 27 slippers", "thi lien 27 slippers", "thi lan 2 slippers", "thi lan 27 slippery", "thi lan 27 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: (((("thi lan 27 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi lan 27 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi lan 27 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lan 27 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.