Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua toan cua snippets" » "cua toan code snippets", "cuu toan cua snippets", "xuan toan cua snippets", "cua thanh cua snippets", "cua than cua snippets", "cua tan cua snippets", "cua 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: (((("cua 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: (((("cua toan cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua toan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua toan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.