Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac dan chu snippets" » "bach dan chu snippets", "cac dan chu snippets", "ban dan chu snippets", "bac dan cu snippets", "bac can chu snippets", "bac dan cho 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: (((("bac dan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac dan chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac dan chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac dan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.