Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan tap moi snippets" » "phan lap moi snippets", "han tap moi snippets", "phan tu moi snippets", "phan thap muoi snippets", "phan phap moi snippets", "phan thep moi 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: (((("phan tap moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan tap moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan tap moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tap moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.