Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc thau dot snippets" » "doc than dot snippets", "duoc thao dot snippets", "doc thanh dot snippets", "doc thay doi snippets", "doc thai do snippets", "doc thau dau 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: (((("doc thau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc thau dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc thau dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc thau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.