Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh vit con snippets" » "anh viet con snippets", "danh viet con snippets", "anh vinh con snippets", "anh vat con snippets", "anh vi con snippets", "anh vot con 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 vit con 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 vit con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh vit con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh vit con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.