Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi su ho snippets" » "khoi su ho snippets", "thong su ho snippets", "thoi rua ho snippets", "thoi su hoa snippets", "thoi su hoc snippets", "thoi su pho 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: (((("thoi su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi su ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi su ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.