Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kham benh do snippets" » "kham benh dot snippets", "kham benh co snippets", "kham benh xo snippets", "pham benh do snippets", "khac benh do snippets", "khai benh do 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: (((("kham benh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kham benh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kham benh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kham benh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.