Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat cac moi snippets" » "sat cac moi snippets", "bat can moi snippets", "bat coc moi snippets", "bat cac mon snippets", "bat cac toi snippets", "bat cac thoi 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: (((("bat cac moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat cac moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat cac moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat cac moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.