Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang dat da snippets" » "hoang da da snippets", "hoang dai da snippets", "hoang dang da snippets", "hoang dat dai snippets", "hoang dat dau snippets", "hoang dat va 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 dat da 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 dat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang dat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang dat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.