Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may nang du snippets" » "may nong du snippets", "ky nang du snippets", "cam nang du snippets", "may nang tu snippets", "may nang luc snippets", "may nang doc 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: (((("may nang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may nang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may nang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may nang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.