Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"may vu hoang snippets" » "may vu hong snippets", "may ve hoang snippets", "may vu hoan snippets", "may vi hoang snippets", "may va hoang snippets", "may tu hoang snippets", "may vu hoang 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: (((("may vu hoang 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 vu hoang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may vu hoang snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may vu hoang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.