Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"da cua nhan snippets" » "da ca nhan snippets", "da cua ngan snippets", "da cua nha snippets", "dai cua nhan snippets", "day cua nhan snippets", "dan cua nhan snippets", "da cua nhan slippers"

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: (((("da cua nhan snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da cua nhan snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( da cua nhan snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da cua nhan snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.