Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh di roi snippets" » "hanh vi roi snippets", "hanh de roi snippets", "hang di roi snippets", "hanh di hoi snippets", "hanh di toi 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 di roi 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 di roi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh di roi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh di roi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.