Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ap dung le snippets" » "xay dung le snippets", "van dung le snippets", "ap dung len snippets", "ap dung he snippets", "ap dung de 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: (((("ap dung le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ap dung le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ap dung le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ap dung le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.