Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi hanh cho snippets" » "doi hanh code snippets", "doc hanh cho snippets", "doi khang cho snippets", "thi hanh cho snippets", "doi danh cho snippets", "doi han cho snippets", "doi hang cho 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 hanh cho 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 hanh cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi hanh cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hanh cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.