Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac hay cham snippets" » "cac hanh cham snippets", "cac va cham snippets", "cac hay nhat snippets", "cac cay cham snippets", "cac ham cham snippets", "cac hat cham 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: (((("cac hay cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hay cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac hay cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hay cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.