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