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