Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi mu cua snippets" » "khoi su cua snippets", "kho mu cua snippets", "khoi cua cua snippets", "khoi mau cua snippets", "khoi hu cua snippets", "khoi ma 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: (((("khoi mu 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: (((("khoi mu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi mu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi mu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.