Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau van line snippets" » "mau van linh snippets", "mau van minh snippets", "mau van dinh snippets", "ma van line snippets", "mai van line snippets", "mao van line 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: (((("mau van line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau van line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau van line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau van line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.