Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chet duoc do snippets" » "chet duoc code snippets", "che duoc do snippets", "cho duoc do snippets", "che quoc do snippets", "chet duoc dao snippets", "chet duoc co snippets", "chet duoc vo 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: (((("chet duoc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chet duoc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chet duoc do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chet duoc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.