Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu nhap dat slippers" » "thu ha dat slippers", "khu nha dat slippers", "thu chap dat slippers", "thu nhan dat slippers", "thu nhan dan slippers", "thu nhap dat slippery", "thu nhap 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: (((("thu nhap 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: (((("thu nhap dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu nhap dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu nhap dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.