Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"de ton cach snippets" » "de ton cac snippets", "de trong cach snippets", "de tinh cach snippets", "de toni cach snippets", "de tin cach snippets", "ke ton cach 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: (((("de ton 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: (((("de ton cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de ton cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de ton cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.