Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu tao cau snippets" » "khu tao code snippets", "khu tap cau snippets", "khu bao cau snippets", "khau tai cau snippets", "khu tao cu snippets", "khu tao cao snippets", "khu tao sau 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: (((("khu tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu tao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu tao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu tao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.