Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac tu doc snippets" » "bac tu code snippets", "ban tu doc snippets", "tac tu doc snippets", "cac tu doc snippets", "bac tu duoc snippets", "bac tu hoc snippets", "bac tu do 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: (((("bac tu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac tu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bac tu doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac tu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.