Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng ve ve snippets" » "chung ve ve snippets", "cheng wen ve snippets", "cuong ve ve snippets", "cheng de ve snippets", "cheng va ve snippets", "cheng ke ve 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 ve ve 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 ve ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng ve ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng ve ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.