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