Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ket ve snippets" » "gan ket ve snippets", "luan ket ve snippets", "van kien ve snippets", "van ke ve snippets", "van ket va snippets", "van net 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: (((("van ket 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: (((("van ket ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ket ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ket ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.