Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khu dao cau snippets" » "khu dao code snippets", "khu do cau snippets", "khu bao cau snippets", "chuc dao cau snippets", "khu dat cau snippets", "khu da cau snippets", "khu tao cau 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 dao 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 dao cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khu dao cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu dao cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.