Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung bac can snippets" » "dung bac can snippets", "tung bay can snippets", "vung bac can snippets", "tung ban can snippets", "tung bat can snippets", "tung 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: (((("tung bac 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 bac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung bac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.