Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khao cau cua snippets" » "khao cau code snippets", "khao cuu cua snippets", "khao sat cua snippets", "phan cau cua snippets", "khao cau qua snippets", "khao ca cua snippets", "khao cu 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: (((("khao cau 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: (((("khao cau cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khao cau cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cau cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.