Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong mao can snippets" » "cong mao code snippets", "cong ma can snippets", "cong bao can snippets", "cong cao can snippets", "cong mao van snippets", "cong mao con snippets", "cong mat 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 mao can 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 mao can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong mao can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong mao can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.