Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hieu mo snippets" » "van hieu mo snippets", "phan kien mo snippets", "gian hieu mo snippets", "phan hieu moi snippets", "phan hieu mot snippets", "phan hieu so 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: (((("phan hieu mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hieu mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hieu mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hieu mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.