Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham doi goi snippets" » "pham do goi snippets", "pham moi goi snippets", "pham voi goi snippets", "pham doi voi snippets", "pham doi moi snippets", "pham doi boi 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 doi goi 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 doi goi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham doi goi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham doi goi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.