Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc bat cu snippets" » "duoc ban cu snippets", "duoc dat cu snippets", "duoc chat cu snippets", "duoc bat cua snippets", "duoc bat hu snippets", "duoc bat tu 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 bat cu 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 bat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc bat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc bat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.