Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho xu cua snippets" » "chao xu cua snippets", "choi xu cua snippets", "cho du cua snippets", "cho hu cua snippets", "cho tu cua snippets", "cho vu 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: (((("cho xu 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: (((("cho xu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho xu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho xu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.