Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc cho chi snippets" » "luc cho code snippets", "luc cao chi snippets", "nuoc cho chi snippets", "luat cho chi snippets", "luc ho chi snippets", "luc cho chu snippets", "luc cho ghi 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: (((("luc cho chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc cho chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luc cho chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc cho chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.