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