Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi tap can snippets" » "toi tap can snippets", "hoc tap can snippets", "thoi dai can snippets", "thoi tap van snippets", "thoi tap cac snippets", "thoi tac can 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: (((("thoi tap 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: (((("thoi tap can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi tap can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi tap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.