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