Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh mot can snippets" » "dinh moi can snippets", "minh hoa can snippets", "minh son can snippets", "minh mat can snippets", "minh mot cai snippets", "minh mot cay 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 mot can 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 mot can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh mot can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh mot can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.