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