Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao uu cho snippets" » "chao xu cho snippets", "cham cuu cho snippets", "chao chu cho snippets", "chao cu cho snippets", "chao vu cho snippets", "chao zu cho 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 uu cho 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 uu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao uu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao uu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.