Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh toan cua snippets" » "anh toan code snippets", "manh toan cua snippets", "anh tuan cua snippets", "thanh toan cua snippets", "anh than cua snippets", "anh tan cua snippets", "anh doanh cua 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: (((("anh toan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh toan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh toan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh toan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.