Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tham can snippets" » "thi thao can snippets", "thi tam can snippets", "thi cham can snippets", "thi tham canh snippets", "thi pham can snippets", "thi tham cung 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: (((("thi tham 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: (((("thi tham can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tham can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tham can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.