Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi dai son snippets" » "thi dai son snippets", "phi tai son snippets", "khi dai son snippets", "phi dai so snippets", "phi doi song snippets", "phi thai son 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: (((("phi dai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi dai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi dai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi dai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.