Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng ly do snippets" » "cheng lu do snippets", "cheng lin do snippets", "hang ly do snippets", "cheng ly dao snippets", "cheng ly doi snippets", "cheng ly du 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: (((("cheng ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng ly do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng ly do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.