Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho cau dong snippets" » "pho cau duong snippets", "pho cau cong snippets", "pho cao dong snippets", "pho cap dong snippets", "pha cau dong snippets", "pho cam 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: (((("pho cau 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: (((("pho cau dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho cau dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho cau dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.