Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tinh duc doi snippets" » "tinh duc code snippets", "minh duc doi snippets", "dinh duc doi snippets", "ninh duc doi snippets", "tinh duc dai snippets", "tinh duc loi snippets", "tinh luc doi snippets"
"python using java snippets" » "python using data 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: (((("tinh duc doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh duc doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tinh duc doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh duc doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.