Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac pham can snippets" » "tac pham can snippets", "xac pham can snippets", "san pham can snippets", "bac pham van snippets", "bac pham lan snippets", "bac pham ca 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: (((("bac pham can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac pham can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac pham can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac pham can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.