Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham ban mon snippets" » "pham banh mon snippets", "pham van mon snippets", "pha ban mon snippets", "pham ban muon snippets", "pham ban moi snippets", "pham dan mon 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 ban mon 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 ban mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham ban mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham ban mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.