Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat cua voi snippets" » "ban cua voi snippets", "mat cua voi snippets", "bai cua voi snippets", "bat chua voi snippets", "bat cua vi snippets", "bat cua hoi 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: (((("python using java snippets") or ("bat cua voi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("bat cua voi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( bat cua voi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("bat cua voi snippets"))) or ("locating bug code snippets"))*.