Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh vua cac snippets" » "minh va cac snippets", "linh vua cac snippets", "minh vu cac snippets", "minh cua cac snippets", "minh qua cac 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: (((("minh vua cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh vua cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh vua cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh vua cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.