Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho cuu cong snippets" » "cho cuu code snippets", "cho cua cong snippets", "cho thu cong snippets", "cho cac cong snippets", "cho chu cong snippets", "cho cu cong snippets", "ho cuu cong 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 cuu cong 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 cuu cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho cuu cong snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cuu cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.