Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho can chan snippets" » "kho dan chan snippets", "kho cam chan snippets", "kho ban chan snippets", "kho canh chan snippets", "khoa can chan snippets", "khoi can chan 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: (((("kho can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho can chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho can chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.