Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim hanh ca snippets" » "tiem hanh ca snippets", "kim thanh ca snippets", "tien hanh ca snippets", "tim hanh cac snippets", "tim hanh cat snippets", "tim hanh cua 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 ca 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 ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim hanh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim hanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.