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