Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ban mon snippets" » "phan banh mon snippets", "phan van mon snippets", "phan ba mon snippets", "phan ban muon snippets", "phan ban moi snippets", "phan 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: (((("python using java snippets") or ("phan ban mon snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phan ban mon snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan ban mon snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phan ban mon snippets"))) or ("locating bug code snippets"))*.