Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong loi can snippets" » "cong li can snippets", "cong lon can snippets", "cong goi can snippets", "cong loi ca snippets", "cong voi can snippets", "cong loi 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: (((("cong loi 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: (((("cong loi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong loi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong loi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.