Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khung mon ve snippets" » "nhung mon ve snippets", "khong mong ve snippets", "khung long ve snippets", "khung lon ve snippets", "khung mon he snippets", "khung mon va 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: (((("khung mon 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: (((("khung mon ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khung mon ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khung mon ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.