Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy vu cach snippets" » "thu vu cach snippets", "thuy hu cach snippets", "thuy luc cach snippets", "thuy va cach snippets", "thuy ve cach snippets", "thuy vu bach 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: (((("thuy vu cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy vu cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy vu cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy vu cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.