Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang my cac snippets" » "hang my cac snippets", "hoan my cac snippets", "hoang ly cac snippets", "hoang ma cac snippets", "hoang mo cac 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 cac 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 cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang my cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang my cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.