Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc van cho snippets" » "chuc van cho snippets", "cuu van cho snippets", "cac van cho snippets", "cuc van chi snippets", "cuc san cho snippets", "cuc van chat 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: (((("cuc van 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: (((("cuc van cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc van cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc van cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.