Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khien ca cua snippets" » "khien cua cua snippets", "khien cau cua snippets", "khien va cua snippets", "khien co 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: (((("khien ca 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: (((("khien ca cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khien ca cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khien ca cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.