Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha mau hop snippets" » "pha cau hop snippets", "phan may hop snippets", "phan mat hop snippets", "pha mau ho snippets", "pha mau chot 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 mau hop 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 mau hop snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha mau hop snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha mau hop snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.