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