Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bao tao hoi snippets" » "dao tao hoi snippets", "bao cao hoi snippets", "bao tay hoi snippets", "bao tao khoi snippets", "bao tao boi 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: (((("bao tao 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: (((("bao tao hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bao tao hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bao tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.