Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu tin chi snippets" » "tu tin code snippets", "tu tin khi snippets", "tu trien chi snippets", "tu trinh chi snippets", "thu tin chi snippets", "tu tieng chi snippets", "tru tinh chi 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: (((("tu tin chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tin chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu tin chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tin chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.