Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc qua chu snippets" » "duoc sua chu snippets", "nuoc qua chu snippets", "duong qua chu snippets", "duoc quan chu snippets", "duoc cua chu snippets", "duoc qua cu 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 qua chu 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 qua chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc qua chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc qua chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.