Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh hang do snippets" » "minh hoang do snippets", "minh quang do snippets", "minh trang do snippets", "minh hang doi snippets", "minh dang do snippets", "minh hang di 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 hang do 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 hang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh hang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh hang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.