Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh xu cho snippets" » "hanh tu cho snippets", "nhanh tu cho snippets", "hanh sua cho snippets", "hanh cu cho snippets", "hanh xu co snippets", "hanh uu 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 xu 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 xu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh xu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh xu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.