Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don tam a1 slippers" » "dong tam a1 slippers", "dong tai a1 slippers", "don ham a1 slippers", "don tam a1 slippery", "don tam a1 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: (((("don tam a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don tam a1 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don tam a1 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don tam a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.