Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha dien voi snippets" » "phat dien voi snippets", "phan dien voi snippets", "phap dien voi snippets", "pha dien hoa snippets", "pha dien va snippets", "pha hien vi 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 dien voi 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 dien voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha dien voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha dien voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.