Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh hay doc snippets" » "anh ha doc snippets", "anh han doc snippets", "anh xay doc snippets", "anh day doc snippets", "anh thay doi snippets", "anh than doc 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 hay doc 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 hay doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh hay doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh hay doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.