Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh son den snippets" » "tinh son den snippets", "minh toan den snippets", "dinh so den snippets", "minh don den snippets", "minh son tren snippets", "minh song don 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 son den 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 son den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh son den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh son den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.