Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc ve du snippets" » "phuc vu du snippets", "thuc ve du snippets", "phuc va du snippets", "phuc ve su snippets", "phuc te du 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 ve du 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 ve du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc ve du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc ve du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.