Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha ke dong snippets" » "pha ke duong snippets", "pha ke cong snippets", "pha de dong snippets", "phan ke dong snippets", "phap ke dong snippets", "pha ve dong 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: (((("pha ke dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha ke dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha ke dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha ke dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.