Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap dong ve snippets" » "phan dong ve snippets", "phap cong ve snippets", "pham dong ve snippets", "phap duong ve snippets", "phap dong va snippets", "phap long 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: (((("phap dong 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: (((("phap dong ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap dong ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap dong ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.