Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"when dan ve snippets" » "when can ve snippets", "phen dang ve snippets", "nhan dan ve snippets", "when ban ve snippets", "when dan va snippets", "when dan viet 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: (((("when dan 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: (((("when dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( when dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("when dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.