Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu cua cach snippets" » "thu cua code snippets", "thu cua cac snippets", "thu ca cach snippets", "thu cua bach snippets", "thuc cua cach snippets", "hu cua cach snippets", "tu cua cach 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: (((("thu cua cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu cua cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thu cua cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu cua cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.