Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phau sinh do snippets" » "pham minh do snippets", "nhan sinh do snippets", "phau benh do snippets", "phau sinh dao snippets", "phau kinh do snippets", "phau sinh de 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: (((("phau sinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau sinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phau sinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phau sinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.