Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha luoc doi snippets" » "phap nuoc doi snippets", "phan quoc doi snippets", "khai luoc doi snippets", "pha cuoc doi snippets", "pha luoc dai snippets", "pha hoc doi 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: (((("pha luoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha luoc doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha luoc doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha luoc doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.