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