Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh tac de snippets" » "canh tac de snippets", "anh trac de snippets", "anh ta de snippets", "anh tac ke snippets", "anh tac da 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: (((("anh tac 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: (((("anh tac de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tac de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tac de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.