Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may tan voi snippets" » "may san voi snippets", "mai tan voi snippets", "may van voi snippets", "may than voi snippets", "may ban voi snippets", "may tan hoi 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 tan voi 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 tan voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may tan voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may tan voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.