Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach van voi snippets" » "bach dan voi snippets", "cach van voi snippets", "bach dang voi snippets", "bach van loi snippets", "bach van noi snippets", "bach van von 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: (((("bach van 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: (((("bach van voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach van voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach van voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.