Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong ban can snippets" » "trong ban can snippets", "tuong ban can snippets", "tong van can snippets", "tong ban dan snippets", "tong ban hang snippets", "tong ban hanh 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: (((("tong ban 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: (((("tong ban can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong ban can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong ban can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.