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