Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may lanh ve snippets" » "cay lanh ve snippets", "may tinh ve snippets", "may san ve snippets", "may hanh ve snippets", "may anh ve snippets", "may lanh va 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 lanh ve 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 lanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may lanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may lanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.