Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac ban tre snippets" » "cac dan tre snippets", "cac van tre snippets", "can ban tre snippets", "cac ben tre snippets", "cac ban tro snippets", "cac benh tre 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 ban tre 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 ban tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac ban tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac ban tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.