Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua vang de snippets" » "chua nang de snippets", "chua xang de snippets", "chua bang de snippets", "chua van de snippets", "chua hoang de 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: (((("chua vang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua vang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua vang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua vang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.