Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho cong da snippets" » "cho cong code snippets", "cao cong da snippets", "cua cong da snippets", "cac cong da snippets", "cho cong dan snippets", "cho cong dac snippets", "cho cong dau 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: (((("cho cong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho cong da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho cong da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cong da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.