Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh zu cho snippets" » "hanh tu cho snippets", "hanh xu cho snippets", "hanh su cho snippets", "hanh cu cho snippets", "hanh uu cho snippets", "hanh vu cho 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: (((("hanh zu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh zu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh zu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh zu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.