Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh cach du snippets" » "tinh cach du snippets", "minh cac du snippets", "minh chanh du snippets", "minh cach dua snippets", "minh cach de 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 cach du 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 cach du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh cach du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh cach du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.