Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh chu cua snippets" » "anh cho cua snippets", "anh chuan cua snippets", "canh chau cua snippets", "anh chuc cua snippets", "anh hu cua snippets", "anh chi cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("anh chu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh chu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh chu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh chu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.