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