Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kieu thi cam snippets" » "kieu thu cam snippets", "sieu thi cam snippets", "lieu thi cam snippets", "kieu thi cham snippets", "kieu thi tam snippets", "kieu thi canh 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: (((("kieu thi cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu thi cam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kieu thi cam snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu thi cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.