Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac thi hoan snippets" » "tac thi hoa snippets", "tac thi hanh snippets", "tac thi hong snippets", "ta thi hoan snippets", "tai thi hoan snippets", "cac thi hoan 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: (((("tac thi hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac thi hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac thi hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac thi hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.