Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loi can cong snippets" » "loi cac cong snippets", "loi cao cong snippets", "loi van cong snippets", "loi ca cong snippets", "voi can cong snippets", "loi cau cong 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: (((("loi can cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loi can cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loi can cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loi can cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.