Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang gap doi snippets" » "tang ap doi snippets", "tang giao doi snippets", "tang ngam doi snippets", "tang lap doi snippets", "tang gap do snippets", "tang gap phoi 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: (((("tang gap doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang gap doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang gap doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang gap doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.