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