Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai mo cong snippets" » "khac mo cong snippets", "khi mo cong snippets", "khai bao cong snippets", "khai moi cong snippets", "khai mot cong snippets", "khai mo rong 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: (((("khai mo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai mo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai mo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai mo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.