Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham hanh oz snippets" » "pham thanh oz snippets", "pham anh oz snippets", "pham hang oz snippets", "pham hanh noi snippets", "pham hanh hoa snippets", "pham hanh tot 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: (((("pham hanh oz snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham hanh oz snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hanh oz snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hanh oz snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.