Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chon cac da snippets" » "chon cac code snippets", "cho cac da snippets", "thong cac da snippets", "hoc cac da snippets", "chon cac dan snippets", "chon cac dai snippets", "chon cac dac 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: (((("chon cac 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: (((("chon cac da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chon cac da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon cac da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.