Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung tac can snippets" » "tuong tac can snippets", "ung tac can snippets", "trung tam can snippets", "tung tac van snippets", "tung tac quan snippets", "tung 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: (((("tung 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: (((("tung tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.