Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng da cau snippets" » "chang dam cau snippets", "cheng lu cau snippets", "cheng yi cau snippets", "cheng dat cau snippets", "cheng va cau 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 da cau 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 da cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng da cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng da cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.