Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham du 01 slippers" » "thap du 01 slippers", "tham do 01 slippers", "pham duc 01 slippers", "tham d 01 slippers", "tham dk 01 slippers", "tham tu 01 slippers", "tham du 01 slippery", "tham du 01 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: (((("tham du 01 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham du 01 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham du 01 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham du 01 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.