Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho dau chi snippets" » "cho dau code snippets", "cho dao chi snippets", "cho dap chi snippets", "chi dau chi snippets", "cho dau khi snippets", "cho du chi snippets", "cho dau cuoi 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 dau chi 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 dau chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho dau chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho dau chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.