Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham hang co snippets" » "pham hoang co snippets", "pham hong co snippets", "pham hanh co snippets", "pham hang cho snippets", "pham hang ca snippets", "pham nang 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 hang co 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 hang co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hang co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hang co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.