Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh vu son snippets" » "dich vu son snippets", "dinh ve son snippets", "dinh cu son snippets", "dinh vu san snippets", "dinh xu son 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: (((("dinh vu son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh vu son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh vu son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh vu son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.