Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ve chim toan snippets" » "ve chi toan snippets", "ve khi toan snippets", "va chim toan snippets", "ve cham toan snippets", "ve chinh toan 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: (((("ve chim toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ve chim toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ve chim toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ve chim toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.