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