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