Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tai van hoe snippets" » "thai van hoe snippets", "thi van hoe snippets", "tai san hoe snippets", "tai van hoa snippets", "tai van hoc snippets", "tai van hieu 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: (((("tai van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tai van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tai van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tai van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.