Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ngoc chu snippets" » "do ngoc chu snippets", "doi ngoai chu snippets", "doi nguoi chu snippets", "doi ngoc chau snippets", "doi ngoc thu snippets", "doi ngoc ha 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: (((("doi ngoc 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: (((("doi ngoc chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi ngoc chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ngoc chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.