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