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