Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang va lon snippets" » "hang va con snippets", "hang va loi snippets", "hang va len snippets", "nang va lon snippets", "dang va lon snippets", "hanh va lon 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: (((("hang va lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang va lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang va lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang va lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.