Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat anh cam snippets" » "dat anh code snippets", "sat anh cam snippets", "dat khanh cam snippets", "nhat anh cam snippets", "dat manh cam snippets", "dat anh ca snippets", "dat anh nam 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 anh cam 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 anh cam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat anh cam snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat anh cam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.