Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi thuc ke snippets" » "choi thuc ke snippets", "hoc thuc ke snippets", "hoi chuc ke snippets", "hoi thuc te snippets", "hoi thuc ve 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: (((("hoi thuc ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi thuc ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi thuc ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi thuc ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.