Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan dan cac snippets" » "tan dan code snippets", "tang dan cac snippets", "tan doan cac snippets", "ban dan cac snippets", "tan dan cach snippets", "tan dang cac snippets", "tan dan ca 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: (((("tan dan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan dan cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan dan cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan dan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.