Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich cho con snippets" » "dich chi con snippets", "dich ho con snippets", "ich cho con snippets", "dich cho cong snippets", "dich cho lon snippets", "dich cho can 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: (((("dich cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich cho con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich cho con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich cho con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.