Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hang di snippets" » "doc hanh di snippets", "hoc hang di snippets", "oc hang di snippets", "doc hang doi snippets", "doc hang vi snippets", "doc hang dien 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: (((("doc hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.