Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"canh tranh c snippets" » "canh tranh co snippets", "canh trinh c snippets", "canh tranh o snippets", "anh tranh c snippets", "can tranh c snippets", "hanh tranh c 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: (((("canh tranh c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh tranh c snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh tranh c snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh tranh c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.