Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat moi voi snippets" » "ban moi voi snippets", "bat loi voi snippets", "vat moi voi snippets", "bat doi voi snippets", "bat moi doi snippets", "bat moi 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 moi voi 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 moi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat moi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat moi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.