Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho dieu can snippets" » "khoa dieu can snippets", "cho dieu can snippets", "khoa diem can snippets", "kho dieu hanh snippets", "kho tiep can snippets", "kho dieu 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: (((("kho dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho dieu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho dieu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho dieu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.