Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong le de snippets" » "trong lam de snippets", "trong ca de snippets", "trong va de snippets", "trong e de snippets", "trong le d snippets", "trong le le 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: (((("trong le de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong le de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong le de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong le de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.