Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc te hoi snippets" » "thuc te hoi snippets", "phuc le hoi snippets", "phuc se hoi snippets", "phuc te hoc snippets", "phuc te ho 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: (((("phuc te hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc te hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc te hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc te hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.