Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi tac can snippets" » "doi tac can snippets", "duoi goc can snippets", "duoc cac can snippets", "duoi tac van snippets", "duoi tac quan snippets", "duoi tac vang 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: (((("duoi tac 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: (((("duoi tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.