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