Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi canh ca snippets" » "doi canh code snippets", "doi hanh ca snippets", "boi canh ca snippets", "do canh ca snippets", "doi canh cha snippets", "doi canh cua snippets", "doi danh ca 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 canh ca 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 canh ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi canh ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi canh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.