Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu dan cau snippets" » "tu dan code snippets", "tu danh cau snippets", "tu dan ca snippets", "tu dat cau snippets", "tuc dan cau snippets", "tu ban cau snippets", "cu dan cau 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 dan cau 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 dan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu dan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu dan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.