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