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