Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh hat cu snippets" » "minh nhat cu snippets", "minh hai cu snippets", "minh ha cu snippets", "minh hat cua snippets", "minh bat cu snippets", "minh hat ca 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 hat cu 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 hat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh hat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh hat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.