Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim hanh che snippets" » "tiem hanh che snippets", "kim thanh che snippets", "tien hanh che snippets", "tim han che snippets", "tim hanh he snippets", "tim hanh nghe 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: (((("tim hanh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tim hanh che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim hanh che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim hanh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.