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