Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi bai lon snippets" » "khi bai lon snippets", "phi tai lon snippets", "phia bac lon snippets", "phi bai con snippets", "phi bay lon snippets", "phi lai lon 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 bai lon 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 bai lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi bai lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi bai lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.