Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao cu cua snippets" » "khao cuu cua snippets", "khao co cua snippets", "chao chu cua snippets", "khao cau cua snippets", "khao ca cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 cu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao cu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao cu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.