Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi tinh ca snippets" » "doi tinh code snippets", "doi trinh ca snippets", "hoi tinh ca snippets", "don tinh ca snippets", "doi tinh cao snippets", "doi tinh cua snippets", "doi tinh va 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 tinh 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 tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi tinh ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tinh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.