Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do dang hoat snippets" » "do dan hoat snippets", "do dang hat snippets", "do dang hoai snippets", "da dang hoat snippets", "do danh hoat snippets", "xo dang hoat 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 dang hoat 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 dang hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do dang hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do dang hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.