Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng su can snippets" » "cheng lu can snippets", "cherng hsu can snippets", "thong su can snippets", "cheng su van snippets", "cheng su cao snippets", "cheng su han 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 su can 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 su can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng su can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng su can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.