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