Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tram long ve snippets" » "tran hong ve snippets", "thai long ve snippets", "tran cong ve snippets", "tram luong va snippets", "tram duong ve 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: (((("tram long ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tram long ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tram long ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tram long ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.