Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich cho lon snippets" » "dich chi lon snippets", "dich ho lon snippets", "ich cho lon snippets", "dich cho cong snippets", "dich chon loc 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 lon 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 lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich cho lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.