Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung dat hue snippets" » "dung va hue snippets", "dung tai hue snippets", "dung dat hua snippets", "dung dat huyen snippets", "dung dat hieu snippets"
"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: (((("dung dat hue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dat hue snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dat hue snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dat hue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.