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