Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich cao chu snippets" » "dinh cao chu snippets", "dich can chu snippets", "dich dao chu snippets", "dich chao chu snippets", "dich cao cho snippets", "dich cho chu 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: (((("dich cao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich cao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich cao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich cao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.