Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do thong chu snippets" » "do thong cau snippets", "do thong thu snippets", "do thong chi snippets", "do hong chu snippets", "bo thong chu snippets", "do phong chu 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: (((("do thong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do thong chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do thong chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do thong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.