Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha lieu doi snippets" » "pha kieu doi snippets", "phan hieu doi snippets", "phap hieu doi snippets", "pha lieu boi snippets", "pha lieu voi snippets", "pha lieu dai 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 lieu 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 lieu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha lieu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha lieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.