Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chung vi che snippets" » "chung cu che snippets", "chung tu che snippets", "hung v che snippets", "chung va che snippets", "chung ve che snippets", "chung vi he 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: (((("chung vi che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung vi che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung vi che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung vi che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.