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