Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc ki can snippets" » "duoc si can snippets", "duoc li can snippets", "duoc ky can snippets", "duoc i can snippets", "duoc khoi can snippets", "duoc kinh can 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 ki can 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 ki can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc ki can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.