Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap buoc de snippets" » "phap nuoc de snippets", "phap quoc de snippets", "phap thuoc de snippets", "phap buoc dau 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: (((("phap buoc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap buoc de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap buoc de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap buoc de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.