Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang my co snippets" » "hang my co snippets", "hoan my co snippets", "hoang ly co snippets", "hoang ty co snippets", "hoang mo co 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: (((("hoang my co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang my co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang my co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang my co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.