Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cach hoc snippets" » "doi cach code snippets", "loi cach hoc snippets", "doi canh hoc snippets", "dong cach hoc snippets", "doi cach thuc snippets", "doi cach thoi snippets", "doi dich hoc 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: (((("doi cach hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cach hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi cach hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cach hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.