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