Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu tin cha snippets" » "tu tin code snippets", "tu tin chi snippets", "tu tin ha snippets", "tu tinh chat snippets", "thu tin cha snippets", "tu tieng cha snippets", "tru tinh cha 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 cha 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 cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu tin cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tin cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.