Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc di toi snippets" » "doc vi toi snippets", "duoc dai toi snippets", "doc doi toi snippets", "doc di hoi snippets", "doc di roi 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: (((("doc di toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc di toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc di toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc di toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.