Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang bien do snippets" » "lang bien do snippets", "bang bien do snippets", "dang hien do snippets", "dang bien doi snippets", "dang bien so 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: (((("python using java snippets") or ("dang bien do snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dang bien do snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dang bien do snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dang bien do snippets"))) or ("locating bug code snippets"))*.