Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"com cho minh snippets" » "com chi minh snippets", "com cho sinh snippets", "com cao minh snippets", "con cho minh snippets", "cong cho minh snippets", "choi cho minh snippets", "com cho minh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("com cho minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com cho minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( com cho minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com cho minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.