Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac kiem chu snippets" » "tac ke chu snippets", "thi kiem chu snippets", "va kiem chu snippets", "tac kem chu snippets", "tac kiem thu snippets", "tac liem chau 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 kiem chu 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 kiem chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac kiem chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac kiem chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.