Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat tap toan snippets" » "dat tap code snippets", "dat tap doan snippets", "dat tap quan snippets", "dat bai toan snippets", "dat tai toan snippets", "xuat tap toan snippets", "dat ngap toan 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: (((("dat tap toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat tap toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat tap toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat tap toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.