Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trua cua can snippets" » "tru cua can snippets", "trung cua can snippets", "qua cua can snippets", "trua cua cac snippets", "trua cua ban snippets", "trua cua dan 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: (((("trua cua 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: (((("trua cua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trua cua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trua cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.