Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh tac mo snippets" » "minh bac mo snippets", "minh tuan mo snippets", "minh toan mo snippets", "minh tao mo snippets", "minh tac co snippets", "minh ta mo 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 tac mo 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 tac mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh tac mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh tac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.